Ceriopsin E InChI=1/C21H30O4/c1-18-6-4-7-19(2,17(22)24-3)15(18)5-8-20-10-13-14(9-16(18)20)25-12-21(13,23)11-20/h9,13-15,23H,4-8,10-12H2,1-3H3/t13?,14-,15?,18-,19-,20+,21+/m1/s Methyl ent-12,17-epoxy-16beta-hydroxy-9(11)-kauren-19-oate methyl (5xi,8alpha,10alpha,12beta,13alpha)-16-hydroxy-12,17-epoxykaur-9(11)-en-18-oate stigmastan-15-one, 3,6,7,28-tetrahydroxy-, (3beta,6alpha,7beta,8xi,9xi,14xi,24xi)-