1,2,4,5-Tetrahydro-11-methyl-3H-azepino(4,5-b)quinoline carboxylic acid ethyl ester 3H-Azepino(4,5-b)quinoline-3-carboxylic acid, 1,2,4,5-tetrahydro-11-methyl-, ethyl ester 56515-91-4 Ethyl 1,2,4,5-tetrahydro-11-methyl-3H-azepino(4,5-b)quinoline-3-carboxylate