英文名称
(3R)-7,8-dimethoxy-3,11-dimethyl-17,19-dioxa-11-azatetracyclo[12.7.0.04,9.016,20]henicosa-1(21),4(9),5,7,14,16(20)-hexaen-2-one;(3S)-7,8-dimethoxy-3,11-dimethyl-17,19-dioxa-11-azatetracyclo[12.7.0.04,9.016,20]henicosa-1(21),4(9),5,7,14,16(20)-hexaen-2-one