Description of 24,25,26,30-Tetranoroleana-1,3,5(10),7-tetraene-6,21-dione,2,3-[[(3a,4a,9b,13a,14b,20b)-3-hydroxy-9,13-dimethyl-2,21-dioxo-24,25,26,30-tetranoroleana-1(10),5,7-triene-3,4-diyl]bis(oxy)]-9,13-dimethyl-
24,25,26,30-Tetranoroleana-1,3,5(10),7-tetraene-6,21-dione,2,3-[[(3a,4a,9b,13a,14b,20b)-3-hydroxy-9,13-dimethyl-2,21-dioxo-24,25,26,30-tetranoroleana-1(10),5,7-triene-3,4-diyl]bis(oxy)]-9,13-dimethyl- related products :