(2alpha,4alpha,5alpha,6alpha)-4-乙基-1,4,5,6,8,11-六氢-7-羟基-5-甲基-8,11-二氧代-2,6-环氧-2H-萘并(2,3-d)氧杂环辛三烯-2-乙酸
109521-81-5