英文别名LUMAT-004; Lumateperone Impurity 1; 1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,9,10-tetrahydro-2-oxo-, ethyl ester; ethyl 2,3,9,10-tetrahydro-2-oxo-1H-pyrido[3,4:4,5]-pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylate; 2-Oxo-2,3,9,10-tetrahydro-1H,7H-pyrido-[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8-carboxylic Acid Ethyl Ester; Lumateperone Impurity N2