2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%
生产方法和用途
用途
用作染料、医药中间体
显色反应测草酸及检验镱。有机合成。染料。
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1.
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10.
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