英文别名
                        <2RS,3S,4S,5E,7<2R,4S,6S,8R(S),9S>>-4-(tert-butyldimethylsilyloxy)-7-<4-(tert-butyldimethylsilyloxy)-9-methyl-8-(1-methypropyl)-1,7-dioxaspiro<5.5>undec-10-en-2-yl>-3,5-dimethylhept-5-ene-1,2-diol;[2RS,3S,4S,5E,7(2R,4S,6S,8R(S),9S)]-4-(tert-butyldimethylsilyloxy)-7-[4-(tert-butyldimethylsilyloxy)-9-methyl-8-(1-methypropyl)-1,7-dioxaspiro[5.5]undec-10-en-2-yl]-3,5-dimethylhept-5-ene-1,2-diol