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Isonicotinic acid hydrazide (83)CAS RN:54-85-3
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Dragon Chemical Group Co.,ChinaTelephone:+86-571-88383188;86970388;+49-211-550203-21
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Levachem Co. Ltd.Telephone:+86-25-83247442/443/445/446/447
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AFINE CHEMICALS LIMITEDTelephone:+86-571-85232125;85232161;85134551
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