HCID 1778435262-[[6-[[(2-카르복시페닐)아미노]술포닐]-2-히드록시-1-나프탈레닐]아조]벤조산이나트륨염2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt · CAS 5850-46-4 · CID 177843526