(3R)-8-cyclopropyl-6-(morpholin-4-ylmethyl)-7-(1-naphthylmethyl)-5-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyridine-3-carboxylic acid
(3r)-8-cyclopropyl-6-(morpholin-4-ylmethyl)-7-(1-naphthylmethyl)-5-oxo-2,3-dihydro-5h-[1,3]thiazolo[3,2-a]pyridine-3-carboxylic acid