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(5bS,6aS,7aS,8R,8aR,9aS,9bS,10aS,10bS)-8a-isopropyl-3,10b-dimethyl-1,2,5b,6,6a,8,8a,9a,9b,10b-decahydrotris(oxireno)[2',3':4b,5;2'',3'':6,7;2''',3''':8a,9]phenanthro[1,2-c]furan-8-ol
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(5aS,5bS,6aR,9aS,10aS,11aS)-8-isopropyl-5a-methyl-4,5,5a,10a,11,11a-hexahydrobis(oxireno)[2',3':4b,5;2'',3'':8a,9]phenanthro[1,2-c]furan-3,7(1H,6aH)-dione
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(5aS,5bS,6aS,7R,9aS,10aS,11aS)-7-hydroxy-8-isopropyl-5a-methyl-4,5,5a,6a,7,10a,11,11a-octahydrobis(oxireno)[2',3':4b,5;2'',3'':8a,9]phenanthro[1,2-c]furan-3(1H)-one