47877-12-3 595-64-2 Cevane-3,4,7,14,15,16,20-heptol, 4,9-epoxy-, 3-(2,3-dihydroxy-2-methylbutanoate) 15-(2-methylbutanoate), (3beta(2S,3R),4alpha,7alpha,15alpha(R),16beta)- Neogermbudine