OEHasExplicitHydrogens
OEHasExplicitHydrogens(mol: Union[OEGraphMol,OEMol,OEQMol]) -> bool
Determines whether a molecule has any explicit hydrogens. A return
value of true indicates that one or more of the
OEAtomBase ‘s of the given molecule has an atomic
number of one (OEElemNo_H).