Dear All,

Chem.MolToSmiles(m, isomericSmiles=True, allHsExplicit=False) with m being nicotine downloaded from PubChem returns
CN1CCC[C@H]1c1cccnc1 , which is consistent with the structure of nicotine.
Chem.MolToSmiles(m, isomericSmiles=True, allHsExplicit=True) returns
[CH3][N]1[CH2][CH2][CH2][CH]1[c]1[cH][cH][cH][n][cH]1 in which chirality has disappeared.
Would it be possible to get H count and chirality?

All the best,


Jean-Marc Nuzillard
Directeur de Recherches au CNRS

Institut de Chimie Moléculaire de Reims
Moulin de la Housse
CPCBAI, Bâtiment 18
BP 1039
51687 REIMS Cedex 2

Tel : 03 26 91 82 10
Fax : 03 26 91 31 66

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