2,5-dichloro-4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonic acid, compound with N,N'-diphenylguanidine (1:2) price

2,5-dichloro-4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonic acid, compound with N,N'-diphenylguanidine (1:2) price, total count: 1