| Synonyms: | [3beta(2R,3R),4alpha,6alpha,7alpha,15alpha(R),16beta]-4,9-epoxycevane-3,4,6,7,14,15,16,20-octol 6,7-diacetate 3-(2,3-dihydroxy-2-methylbutyrate) 15-(2-methylbutyrate);PROTOVERATRINE B (RG);PROTOVERATRINE B;NEOPROTOVERATRINE;4-beta,6-alpha,7-alpha,14,15-alpha-16-beta,20-octol,4,9-epoxy-cevane-3-bet;4α,9-Epoxycevane-3β,4β,6α,7α,14,15α,16β,20-octol 6,7-diacetate 3-[(2R,3R)-2,3-dihydroxy-2-methylbutanoate]15-[(R)-2-methylbutanoate];PROTOVERATRINE A (RG)(CALL);6,7-diacetate3-(threo-(+)-2,3-dihydroxy-2-methylbutyrate)15-((-)-2-methylbut |