1,5-NAPHTHALENEDISULFONIC ACID 2-[[8-[[4-[BIS[2-[(2-CHLOROETHYL)SULFONYL]ETHYL]AMINO]-6-CHLORO-1,3,5-TRIAZIN-2-YL]AMINO]-1-HYDROXY-3,6-DISULFO-2-NAPHTHALENYL]AZO]-,SODIUM SALT
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