131319-90-9 4,4,24-Tcttas 4,4,24-Trimethylcholesta-8,14,24(28)-trien-2,3,11,12-tetrol 12-acetate-3-sulfate Ergosta-8,14,24(28)-triene-2,3,11,12-tetrol, 4,4-dimethyl-, 12-acetate 3-(hydrogen sulfate), (2alpha,3beta,5alpha,11alpha,12beta)-