104799-51-1 Benzoic acid, 3-(5-formyl-2-hydroxyphenoxy)-4-methoxy-, 1,2,3,4,5a,6-hexahydro-2-methyl-1,3,4-trioxooxepino(3',4':4,5)pyrrolo(1,2-a)pyrazin-6-yl ester, (5aS-cis)- Dethiosecoemestrin