Chemical Name : 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)
CAS : 87-03-6
Synonyms: 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid;5,5'-Dihydroxy-7,7'-disulfo-2,2'-dinaphthylamine;7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid);Rhoduline acid
Tetra



![2,3,4,8B-tetrahydro-1ah-1-oxa-benzo[a]cyclopropa[c]cycloheptene](https://thsciimg.chemcd.cn/TS42193.gif)