Cat. Name CAS. Structure Purity
M054985 sodium hydrogen -2-hydroxy-5-[[4-[[4-[(4-hydroxy-3 12219-30-6 sodium hydrogen -2-hydroxy-5-[[4-[[4-[(4-hydroxy-3-sulphonatophenyl)amino]phenyl](1-methyl-2-phenyl- ≥ 95%