英文名称
24-Ethyl-17,17,18,20,20-pentamethyl-3-methylidene-19-[(13-methyl-12-pentacyclo[9.5.2.02,7.08,17.014,18]octadeca-1(17),2,4,6,10,14(18),15-heptaenylidene)methyl]hexacyclo[11.11.0.02,10.04,9.014,23.016,21]tetracosa-1(13),2(10),4,6,8,11,14,16(21),18,22-decaene