preferred_name: 4-((6BR,10AS)-3-METHYL-2,3,6B,9,10,10A-HEXAHYDRO-1H-PYRIDO(3',4':4,5)PYRROLO(1,2,3-DE)QUINOXALIN-8(7H)-YL)-1-(4-((6BRCHEMICALBOOK,10AS)-3-METHYL-2,3,6B,9,10,10A-HEXAHYDRO-1H-PYRIDO(3',4':4,5)PYRROLO(1,2,3-DE)QUINOXALIN-8(7H)-YL)PHENYL)BUTAN-1-ONE