英文名称
5-[(6,6,9,9,21,21-Hexamethyl-5-methylidene-4-hexacyclo[15.3.1.03,7.08,20.010,19.013,18]henicosa-1(20),2,7,12,14,16,18-heptaenylidene)methyl]-6,6,9,9,21,21-hexamethylhexacyclo[15.3.1.03,7.08,20.010,19.013,18]henicosa-1(20),2,4,7,10(19),11,13(18),14,16-nonaene