label: ETHYL 2,3,9,10-TETRAHYDRO-3-METHYL-2-OXO-1H-PYRIDO(3',4':4,5)PYRROLO(1,2,3-DE)QUINOXALINE-8(7H)-CARBOXYLATE
label_lc: ethyl 2,3,9,10-tetrahydro-3-methyl-2-oxo-1h-pyrido(3',4':4,5)pyrrolo(1,2,3-de)quinoxaline-8(7h)-carboxylate