(1'R-(1'alpha,4'aalpha,6'abeta,7'alpha,9'aS*))-4',4'a,6'a,7'-四氢-7',8'-二甲基-2'-氧代-螺(环氧乙烷-2,1'(2H)-二并环戊烯并(1,6a-c)吡喃)-5'-羧酸
31501-48-1