Cucurbitacin A

6040-19-3

Cucurbitacine A; (R,E)-6-((2S,8S,9R,10R,13R,14S,16R,17R)-2,16-Dihydroxy-9-(hydroxymethyl)-4,4,13,14-tetramethyl-3,11-dioxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetate; 19-Norlanosta-5,23-diene-3,11,22-trione, 2,16,20,25-tetrahydroxy-9-(hydroxymethyl)-, 25-acetate; 19-Nor-9β,10α-lanosta-5,23-diene-3,11,22-trione, 2β,16α,20,25-tetrahydroxy-9-(hydroxymethyl)-, 25-acetate, (E)-; (2β,9β,10α,16α,23E)-25-(Acetyloxy)-2,16,20-trihydroxy-9-(hydroxymethyl)-19-norlanosta-5,23-diene-3,11,22-trione; 19-Norlanosta-5,23-diene-3,11,22-trione, 25-(acetyloxy)-2,16,20-trihydroxy-9-(hydroxymethyl)-, (2β,9β,10α,16α,23E);