OEHasImplicitHydrogenExpression
OEHasImplicitHydrogenExpression(arg1: OEQMol) -> bool
Returns true if the query molecule (OEQMolBase) has
any implicit hydrogen(s).
For example, if the query molecule has been initialized from the [Ch1]
SMARTS pattern.
See also
OEHasExplicitHydrogenExpressionfunctionSMARTS Pattern Matching chapter