On Wed, Mar 14, 2012 at 11:52 AM, JP <[email protected]> wrote:
> Ok - so just for my education - the lesson here is that even if you
> explicitly define Hs (in a MolFromSmiles manner, C[NH]C ), the hydrogens are
> not represented in the underlying graph.
> Correct?  And this is why I do not see H as a neighbour of N.
>
> Only when we do AddHs are the H actually represented.

Correct, if you AddHs() or read in a molecule that already has Hs
(without removing them).

-greg

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