1,3,4,-thiadiazolylazo dyes and ink compositions containing...
1,3-Bis-aryl-glycerol-ethers
1,7-disubstituted perylene-3,4,9, 10-tetracarboxylic acids, thei
1-Methyl-3,5,7-triaza-1-azoniatricyclodecane triiodide, a method
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