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4-Amino-5-imidazolecarboxamide hydrochloride CAS:72-40-2Bulk for sales 4-Amino-5-imidazolecarboxamide hydrochloride CAS:72-40-2
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3-AMINO-4-PYRAZOLECARBOXAMIDE HEMISULFATE CAS27511-79-1Don't allopurinol intermediates.
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4-Amino-1-methyl-3-propylpyrazole-5-carboxamide hydrochloride CAS247584-10-7Intermediate of sildenafil, at the same time the key intermediate is also made the 1.1 kinds of new drug TPN729MA