133331-34-7 3-beta-Bromo-6,6-ethylenedisulfonyl-5-alpha-cholestane 3beta-Bromo-6,6-(ethylenedisulfonyl)-5alpha-cholestane CCRIS 3896 Cholestan-6-one, 3-bromo-, cyclic 1,2-ethanediyl mercaptole, S,S,S',S'-tetraoxide, (3-beta,5-alpha)-