4-(2-Amino-3-cyano-7,7-dimethyl-5-oxo-1,4,5,6,7,8-hexahydro-quinolin-4-yl)-benzoic acid methyl ester InChI=1/C20H21N3O3/c1-20(2)8-14-17(15(24)9-20)16(13(10-21)18(22)23-14)11-4-6-12(7-5-11)19(25)26-3/h4-7,16,23H,8-9,22H2,1-3H benzoic acid, 4-(2-amino-3-cyano-1,4,5,6,7,8-hexahydro-7,7-dimethyl-5-oxo-4-quinolinyl)-, methyl ester methyl 4-(2-amino-3-cyano-7,7-dimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinolin-4-yl)benzoate