Other Aromatic Chromophores with N Hetero-atoms

PART 42. OTHER AROMATIC CHROMOPHORES WITH N HETERO-ATOMS 

5-amino-2-(p-carboxyphenyl)-6,7-dihydro 1,2,3-triazolo[d]pyrimldin-7-one 5-amino-2-(p-carboxyphenyl)-1,2,3-triazolo[d]pyrimidin-7-ol 

7-te trahydro-1,2,3-triazolo[d]-pyrimidine-5,7-dione 1,2,3-triazolo-[d]pyrimidine-5,7-diol 

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