英文别名
                        (20E)-3-O-(methylsulfonyl)-22-secoebelin-22-oic acid lactone 22-S-phenyl ester;S-phenyl (E)-3-[(1S,2R,4aR,4bR,7S,8aR,10aR)-4b,8,8,10a-tetramethyl-7-methylsulfonyloxy-2'-oxospiro[2,3,4,4a,5,6,7,8a,9,10-decahydrophenanthrene-1,4'-oxolane]-2-yl]-2-methylprop-2-enethioate