(7,7-Azo-3,12-dihydroxy-5-cholan-24-oyl)-2-aminoethanesulfonic acid 7,7-Azo-TC 7-Adtc 72741-86-7 Ethanesulfonic acid, 2-(((3alpha,5beta,12alpha)-7-azi-3,12-dihydroxy-24-oxocholan-24-yl)amino)-, monosodium salt