4,4'-Bis[[4-chloro-6-[bis(2-hydroxyethyl)amino]-s-triazin-2-yl]amino]-2,2'-stilbenedisulfonic acid;4,4'-Bis[4-[bis(2-hydroxyethyl)amino]-6-chloro-1,3,5-triazin-2-ylamino]-2,2'-stilbenedisulfonic acid
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