The Complete List of Suppliers for Cuprate(4-),[4,5-dihydro-4-[2-[8-(hydroxy-kO)-7-[2-[2-(hydroxy-kO)-5-methoxy-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl-kN1]-6-sulfo-2-naphthalenyl]diazenyl]-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylato(6-)]-,hydrogen (1:4)