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1-苯基-3-甲基-5-吡唑酮(中间体/染料中间体)英文名:3-Methyl-1-phenyl-2-pyrazolin-5-one CAS NO:89-25-8 -
普拉及弱酸性染料(中间体/染料中间体)普拉及弱酸性染料序号产品名称规格%备注在线订购1普拉黄 GN 40025Kg纸箱包装 ">在线定购2普拉红 B 12525Kg纸箱包装 ">在线定购3普拉红3BN 25Kg纸...
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英文名:4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid CAS NO:88-76-6