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4-Nitro-3-pyrazolecarboxylic acid (4)CAS RN:5334-40-7;1101173-93-6
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Changzhou Wujin Kangda Chemical Co.,Ltd.Telephone:0086-519-83681036
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Jiangsu Quality Horizons Pharmtech Co., Ltd.Telephone:+86-519-68851599/96/95
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AFINE CHEMICALS LIMITEDTelephone:+86-571-85232125;85232161;85134551
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AstaTech (Chengdu)Biopharmaceutical Corp.Telephone:+86-28-82666846