英文名称
                        rel-(1R,4S,4aS,6r,7aR,8R,10S,10aS,12R,14S,15aR,16R,19S,19aS,21R,23S,24aS,25R,27S,27aS,29s,30aR)-1,4:6,29:8,27:10,25:12,23:14,21:16,19-heptaepoxy-1,4,4a,5,6,7,7a,8,10,10a,11,12,14,15,15a,16,19,19a,20,21,23,24,24a,25,27,27a,28,29,30,30a-triacontahydro....