英文别名cucurbitacin b, 3 -epi-iso; (23E)-1,16,20-Trihydroxy-9,10,14-trimethyl-2,11,22-trioxo-4,9-cyclo-9,10-secocholesta-5,23-dien-25-yl acetate; 3-epi-isocucurbitacin B; 19-Norlanosta-5,23-diene-2,11,22-trione, 25-(acetyloxy)-3,16,20-trihydroxy-9-methyl-, (3β,9β,10α,16α,23E)-; (1R,4R,9beta,16alpha,23E)-1,16,20-trihydroxy-9,10,14-trimethyl-2,11,22-trioxo-4,9-cyclo-9,10-secocholesta-5,23-dien-25-yl acetate 
