(3.alpha.,5.beta.,7.alpha.,12.alpha.)-3,7,12-Trihydroxycholan-24-oic acid sodium salt 6266-73-5 73163-53-8 (NA SALT) 81-25-4 (FREE ACID) AIDS-017669 AIDS017669 Cholan-24-oic acid Cholic acid NSC6135 Sodium Cholate