983-36-8 9AH-Quinolizine-1,2,3,4-tetracarboxylic acid, 7,9-dimethyl-, tetramethyl ester 9a(H)-Quinolizine-1,2,3,4-tetracarboxylic acid, 7,9-dimethyl-, tetramethyl ester AIDS-130417 AIDS130417 NSC529030 Tetramethyl 7,9-dimethyl-9a(H)-quinolizine-1,2,3, 4-tetracarboxylate Tetramethyl 7,9-dimethyl-9aH-quinolizine-1,2,3,4-tetracarboxylate