(1aR-(1aR*,3S*,4Z,5aR*,8aR*,9R*(Z),10aR*))-1a,2,3,5a,7,8,8a,9,10,10a-Decahydro-3-hydroxy-4,10a-dimethyl-8-methylene-7-oxooxireno(5,6)cyclodeca(1,2-b)furan-9-yl 2-methyl-2-butanoate 2-Butanoic acid, 2-methyl-, 1a,2,3,5a,7,8,8a,9,10,10a-decahydro-3-hydroxy-4,10a-dimethyl-8-methylene-7-oxooxireno(5,6)cyclodeca(1,2-b)furan-9-yl ester, (1aR-(1aR*,3S*,4Z,5aR*,8aR*,9R*(Z),10aR*))- 73522-63-1 Leptocarpin