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3-Amino-1,2,4-triazole CAS61-82-5As a cationic dye intermediate, synthesis of cationic red -GRL and other red dye; also can be used for heterocyclic intermediates, pharmaceutical
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4-Amino-2,6-dihydroxypyrimidine CAS873-83-6Caffeine, theophylline, SDM used as pharmaceutical intermediates
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Adenine CAS73-24-5Microbiological determination of nicotinic acid. HIV, cancer and genetic research.