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3-AMINO-4-HYDROXYBENZOIC ACID CAS1571-72-8Used as intermediate of azo and sulfur dyes, and used in making photographic paper
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4-Amino-2,6-dihydroxypyrimidine CAS873-83-6Caffeine, theophylline, SDM used as pharmaceutical intermediates
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4-Hydroxy-3-tert-butylanisole CAS121-00-6Food , cosmetics , pharmaceuticals , rubber , petroleum products, antioxidants .