potassium sodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate price

potassium sodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate price, total count: 1