Chemical Name : 6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)
CAS : 134-47-4
Synonyms: 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid);5,5 Dihydroxy 7,7 disulfonic 2,2 dinaphthyl urea;6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid);7,7'-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid];J acid urea;Scarlet acid
Tetra



![Methyl 2-([(4-methylphenyl)sulfonyl]amino)-2-phenylacetate](https://thsciimg.chemcd.cn/TS77068.gif)