1-Thia-4-azacyclotridecane-3-carboxylic acid, 6-(mercaptomethyl)-5-oxo-, (3R-(3R*,6S*))- 150198-30-4 6-(Mercaptomethyl)-5-oxo-1-thia-4-azacyclotridecane-3-carboxylic acid 6-Smotatca