131929-09-4 3,4-Quinolinedicarboxylic acid, 1,4,5,6,7,8-hexahydro-5-oxo-7-phenyl-, diethyl ester BRN 4765918 Diethyl 1,4,5,6,7,8-hexahydro-5-oxo-7-phenyl-3,4-quinolinedicarboxylate