4,9-dimethyl-3,10-dithiatetracyclo[10.5.3.25,8.015,19]docosa-1(18),5,7,12(20),13,15(19),16,21-octaene 、 Dimethoxycarbonium tetrafluoroborate 生成 3,4,9,10-tetramethyl-3,10-dithioniatetracyclo[10.5.3.25,8.015,19]docosa-1(18),5,7,12(20),13,15(19),16,21-octaene;ditetrafluoroborate