英文名称
15-Methyl-9,9',10,10'-tetraphenylspiro[1,18-diaza-21-silahexacyclo[16.2.1.02,7.08,20.011,19.012,17]henicosa-2,4,6,8,10,12(17),13,19-octaene-21,21'-1,18-diaza-21-silahexacyclo[16.2.1.02,7.08,20.011,19.012,17]henicosa-2,4,6,8,10,12,14,16,19-nonaene]