Cet-DM1
     RDKit          2D

 67 72  0  0  1  0  0  0  0  0999 V2000
    7.7150   -3.7583    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0
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   -2.1307    5.1350    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   10.1329   -1.9825    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
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  -10.0752   -0.6407    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2272    5.8407    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
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   -0.6445    2.8075    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
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    0.6556   -2.5837    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5911    2.5432    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    2.0741   -3.0712    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    2.8274    5.9797    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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   -4.7042    0.8661    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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   -3.2348    3.0087    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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   -2.2726   -5.2624    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.5505   -2.2674    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2020   -7.8595    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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   -6.8416   -2.7876    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    7.2434    2.5400    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -8.6888   -1.2133    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -8.3371   -2.6715    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.6413    3.9139    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    8.5950    0.1115    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.5571   -4.0250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.8974    4.7339    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.2974   -3.4734    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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M  END
>  <s_m_entry_id>  (1) 
89

>  <s_m_entry_name>  (1) 
emtansine_SMCC-DM1.1

>  <s_m_Source_Path>  (1) 
D:\Project\ADC\linker_payload

>  <s_m_Source_File>  (1) 
emtansine_SMCC-DM1.sdf

>  <i_m_Source_File_Index>  (1) 
1

>  <version>  (1) 
0

>  <chiral flag>  (1) 
1

>  <i_f3d_flags>  (1) 
0

>  <PUBCHEM_COMPOUND_CID>  (1) 
163341910

>  <PUBCHEM_HEAVY_ATOM_COUNT>  (1) 
67

>  <PUBCHEM_ATOM_DEF_STEREO_COUNT>  (1) 
8

>  <PUBCHEM_ATOM_UDEF_STEREO_COUNT>  (1) 
1

>  <PUBCHEM_BOND_DEF_STEREO_COUNT>  (1) 
2

>  <PUBCHEM_BOND_UDEF_STEREO_COUNT>  (1) 
0

>  <PUBCHEM_ISOTOPIC_ATOM_COUNT>  (1) 
0

>  <PUBCHEM_COMPONENT_COUNT>  (1) 
1

>  <PUBCHEM_CACTVS_TAUTO_COUNT>  (1) 
-1

>  <PUBCHEM_COORDINATE_TYPE>  (1) 
1
5
255

>  <PUBCHEM_COMPOUND_CANONICALIZED>  (1) 
1

>  <PUBCHEM_CACTVS_COMPLEXITY>  (1) 
1950

>  <PUBCHEM_CACTVS_HBOND_ACCEPTOR>  (1) 
14

>  <PUBCHEM_CACTVS_HBOND_DONOR>  (1) 
3

>  <PUBCHEM_CACTVS_ROTATABLE_BOND>  (1) 
13

>  <PUBCHEM_CACTVS_SUBSKEYS>  (1) 
AAADcfB/vABEAAAAAAAAAAAAEgAAAWAAAAA8YIAAAAAAAAABAAAAHgYQCAAADX7l2CayzoPABgiIAiXSWACCCAAhJlAIiAGOb4kPJjfls7vPcChn9jn76Af//P/OBAABQgAACBCIAAKEAAAQIAAAAAAAAA==

>  <PUBCHEM_IUPAC_OPENEYE_NAME>  (1) 
[(1S,2R,3S,5R,6S,16Z,18Z,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] (2S)-2-[3-[1-[(4-carbamoylcyclohexyl)methyl]-2,5-dioxo-pyrrolidin-3-yl]sulfanylpropanoyl-methyl-amino]propanoate

>  <PUBCHEM_IUPAC_CAS_NAME>  (1) 
(2S)-2-[[3-[[1-[(4-carbamoylcyclohexyl)methyl]-2,5-dioxo-3-pyrrolidinyl]thio]-1-oxopropyl]-methylamino]propanoic acid [(1S,2R,3S,5R,6S,16Z,18Z,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] ester

>  <PUBCHEM_IUPAC_NAME_MARKUP>  (1) 
[(1<I>S</I>,2<I>R</I>,3<I>S</I>,5<I>R</I>,6<I>S</I>,16<I>Z</I>,18<I>Z</I>,20<I>R</I>,21<I>S</I>)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1<SUP>10,14</SUP>.0<SUP>3,5</SUP>]hexacosa-10,12,14(26),16,18-pentaen-6-yl] (2<I>S</I>)-2-[3-[1-[(4-carbamoylcyclohexyl)methyl]-2,5-dioxopyrrolidin-3-yl]sulfanylpropanoyl-methylamino]propanoate

>  <PUBCHEM_IUPAC_NAME>  (1) 
[(1S,2R,3S,5R,6S,16Z,18Z,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] (2S)-2-[3-[1-[(4-carbamoylcyclohexyl)methyl]-2,5-dioxopyrrolidin-3-yl]sulfanylpropanoyl-methylamino]propanoate

>  <PUBCHEM_IUPAC_SYSTEMATIC_NAME>  (1) 
[(1S,2R,3S,5R,6S,16Z,18Z,20R,21S)-11-chloranyl-12,20-dimethoxy-2,5,9,16-tetramethyl-21-oxidanyl-8,23-bis(oxidanylidene)-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] (2S)-2-[3-[1-[(4-aminocarbonylcyclohexyl)methyl]-2,5-bis(oxidanylidene)pyrrolidin-3-yl]sulfanylpropanoyl-methyl-amino]propanoate

>  <PUBCHEM_IUPAC_TRADITIONAL_NAME>  (1) 
(2S)-2-[3-[[1-[(4-carbamoylcyclohexyl)methyl]-2,5-diketo-pyrrolidin-3-yl]thio]propanoyl-methyl-amino]propionic acid [(1S,2R,3S,5R,6S,16Z,18Z,20R,21S)-11-chloro-21-hydroxy-8,23-diketo-12,20-dimethoxy-2,5,9,16-tetramethyl-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] ester

>  <PUBCHEM_IUPAC_INCHI>  (1) 
InChI=1S/C47H64ClN5O13S/c1-25-10-9-11-35(63-8)47(61)23-33(64-45(60)50-47)26(2)41-46(4,66-41)36(22-38(55)52(6)31-19-29(18-25)20-32(62-7)40(31)48)65-44(59)27(3)51(5)37(54)16-17-67-34-21-39(56)53(43(34)58)24-28-12-14-30(15-13-28)42(49)57/h9-11,19-20,26-28,30,33-36,41,61H,12-18,21-24H2,1-8H3,(H2,49,57)(H,50,60)/b11-9-,25-10-/t26-,27+,28?,30?,33+,34?,35-,36+,41+,46-,47+/m1/s1

>  <PUBCHEM_IUPAC_INCHIKEY>  (1) 
WPWQMVXPTHKASL-NVDAOWMUSA-N

>  <PUBCHEM_EXACT_MASS>  (1) 
973.390986

>  <PUBCHEM_MOLECULAR_FORMULA>  (1) 
C47H64ClN5O13S

>  <PUBCHEM_MOLECULAR_WEIGHT>  (1) 
974.6

>  <PUBCHEM_OPENEYE_CAN_SMILES>  (1) 
CC1C2CC(C(C=CC=C(CC3=CC(=C(C(=C3)OC)Cl)N(C(=O)CC(C4(C1O4)C)OC(=O)C(C)N(C)C(=O)CCSC5CC(=O)N(C5=O)CC6CCC(CC6)C(=O)N)C)C)OC)(NC(=O)O2)O

>  <PUBCHEM_OPENEYE_ISO_SMILES>  (1) 
C[C@@H]1[C@@H]2C[C@]([C@@H](/C=C\C=C(/CC3=CC(=C(C(=C3)OC)Cl)N(C(=O)C[C@@H]([C@@]4([C@H]1O4)C)OC(=O)[C@H](C)N(C)C(=O)CCSC5CC(=O)N(C5=O)CC6CCC(CC6)C(=O)N)C)\C)OC)(NC(=O)O2)O

>  <PUBCHEM_CACTVS_TPSA>  (1) 
262

>  <PUBCHEM_MONOISOTOPIC_WEIGHT>  (1) 
973.390986

>  <PUBCHEM_TOTAL_CHARGE>  (1) 
0

>  <PUBCHEM_BONDANNOTATIONS>  (1) 
35  18  6
56  2  3
21  26  5
22  68  5
23  27  5
25  71  5
38  49  8
38  51  8
24  4  5
49  55  8
51  63  8
55  64  8
30  6  5
63  64  8
31  7  6

>  <i_lp_mmshare_version>  (1) 
61128

>  <r_lp_tautomer_probability>  (1) 
1

>  <s_lp_Force_Field>  (1) 
S-OPLS

>  <r_lp_Energy>  (1) 
54.043641

>  <b_lp_Chiralities_Consistent>  (1) 
1

>  <s_lp_Variant>  (1) 
163341910-1

>  <s_m_job_name>  (1) 
ligprep_5

>  <PUBCHEM_XLOGP3>  (1) 
2

$$$$
