4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(methylamino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonic acid, sodium salt, compound with methylamine price

4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(methylamino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonic acid, sodium salt, compound with methylamine price, total count: 1