*"from CCG" even - it gives a good approximation of the CIP labels but is
incomplete.

Regards,
John W May
john.wilkinson...@gmail.com

On 8 September 2015 at 13:17, John M <john.wilkinson...@gmail.com> wrote:

> The CIP system is bad and you should use it with peril.
>
> ChemAxon has some bad bugs in their implementation where the labels change
> on atom ordering! RDKit uses an algorithm for CCG that can not fully
> replicate correct labels.
>
> For a comparison of more tools, see page 219 (labelled as 194) -
> http://www.ebi.ac.uk/sites/ebi.ac.uk/files/shared/documents/phdtheses/jmay-thesis-corrected.pdf
> ​
>
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