72705-43-2 | N,N'-[azobis[4,1-phenyleneazo(8-hydroxy-6-sulphonaphthalene-7,2-diyl)]]bisglycine | C36H28 N8 O12 S2 |
72705-26-1 | disodium 2-[4-[[1-[[(2-methoxy-5-methyl-4-sulphonatophenyl)amino]carbonyl]-2-oxopropyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate | C26H22N4Na2O9S3 |