(5.alpha.)-3.beta.-[4,4-Di(5'-chloro-4'-hydroxy-3'-carboxy)phenyl-1-buten-2-yl]cholestane AIDS-030717 AIDS030717 Benzoic acid, 3,3'-[4-[(3b,5a)-8-methylcholestan-3-yl]-1-butenylidene]bis[5-chloro-6-hydroxy- Cosalane NSC666510 (SODIUM SALT)