"7H-Oxazolo[3,2-a]pyridine-6-carboxylic acid, 2,3,8,8a-tetrahydro-5-(4-nitrophenyl)-3-phenyl-, ethyl ester, (3R,8aR)-"
"7H-Oxazolo[3,2-a]pyridine-6-carboxylic acid, 2,3,8,8a-tetrahydro-5-(4-nitrophenyl)-3-phenyl-, ethyl ester, (3R,8aR)-"
"7H-Oxazolo[3,2-a]pyridine-6-carboxylic acid, 2,3,8,8a-tetrahydro-5-(4-nitrophenyl)-3-phenyl-, ethyl ester, (3R,8aR)-"