295348-87-7 | Pyrano[3,2-g:5,6-g′]diquinolin-13-ium, 6-[2-carboxy-4(or 5)-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]phenyl]-1,2,10,11-tetrahydro-1,2,2,10,10,11-hexamethyl-4,8-bis(sulfomethyl)-, inner salt (9CI, ACI) | AOBChem