131929-08-3 3,4-Quinolinedicarboxylic acid, 1,4,5,6,7,8-hexahydro-7,7-dimethyl-5-oxo-, diethyl ester BRN 4760429 Diethyl 1,4,5,6,7,8-hexahydro-7,7-dimethyl-5-oxo-3,4-quinolinedicarboxylate