210741
  -OEChem-02060822402D

 31 35  0     1  0  0  0  0  0999 V2000
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   -1.2292    1.7917    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -4.0708   -0.6792    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.0918   -3.1144    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5101    0.5570    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
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    3.7924   -1.8751    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
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    2.3704   -1.8896    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.2333   -1.2625    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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  1 18  1  0  0  0  0
  1 22  1  0  0  0  0
 13  2  1  6  0  0  0
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  5 26  1  0  0  0  0
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M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
210741

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
123948878

> <PUBCHEM_SUBSTANCE_SYNONYM>
(S)-10-((Dimethylamino)methyl)-4-ethyl-4,9-dihydroxy-1H-pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione
123948-87-8
1H-Pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione, 10-((dimethylamino)methyl)-4-ethyl-4,9-dihydroxy-, (S)-
Hycamptamine
Hycamtin
Topotecan
Topotecane [INN-French]
Topotecanum [INN-Latin]

> <PUBCHEM_GENERIC_REGISTRY_NAME>
123948-87-8

> <PUBCHEM_XREF_EXT_ID>
123948878

> <PUBCHEM_EXT_DATASOURCE_URL>
http://chem.sis.nlm.nih.gov/chemidplus/

> <PUBCHEM_EXT_SUBSTANCE_URL>
http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced&regno=123948878

> <PUBCHEM_CID_ASSOCIATIONS>
60700  1

> <PUBCHEM_BONDANNOTATIONS>
13  24  5
13  2  6

$$$$