英文名称
(1S)-10,10-dimethyl-16,20-diphenyl-2,17-dioxa-16,20-diazoniapentacyclo[9.5.3.11,9.03,8.014,18]icosa-3,5,7,9(20),11(19),12,14(18),15-octaene;(1R)-10,10-dimethyl-17,20-diphenyl-2,18-dioxa-17,20-diazoniapentacyclo[9.6.2.11,9.03,8.015,19]icosa-3,5,7,9(20),11,13,15(19),16-octaene