Please see previous reply: <http://plato.cgl.ucsf.edu/pipermail/chimera-users/2011-January/005909.html

On Jan 17, 2011, at 11:27 AM, Nancy wrote:

Hi All,

For pioglitazone, are the two tautomers depicted in the attached figure the major forms at pH 7.0?

Also, are there any published articles, or other evidence that would confirm that this is indeed the correct tautomeric distribution at pH 7?

Thank you, Nancy

<Pioglitazone_Tautomers_Percentages.png>