File talk:Ranitidine Structural Formulae.png

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cis or trans?[edit]

The stereochemistry is taken from the following source: The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, 14. Auflage (Merck & Co., Inc.), Whitehouse Station, NJ, USA, 2006; p. 1396−1397, ISBN 978-0-911910-00-1. Best regards, --Jue (talk) 18:34, 16 June 2013 (UTC)[reply]