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C.I. Direct Red 21, C.I.23560 image
6406-01-5

C.I. Direct Red 21, C.I.23560

ALSO CALLED 2-Naphthalenesulfonic acid,5'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-amino-, disodi...

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