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A kind of preparation method of the tetra isopropyl hydrazine of low cost and high yield
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Synthetic method for diketone dyes
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Preparation method of 4-chloro-N-(2-nitrobenzylidene)aniline
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Preparation method of 1-allyl-3-methylimidazole chloride
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Preparation method of 1,7-pimeloyl dichloride
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Preparation method of 1-(4-tert-butyl-benzoyl)tetrahydroquinoline
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3,5-dimethyl-1H-pyrazole-1-carboxamidine hydrochloride preparation method
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Preparation method for 3,5-dimethoxy-4-hydroxyphenylpropionic acid
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Preparation method for (bromomethyl) acetate
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Method for preparing 1-isoindolinone
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Method for preparing 3,4-difluoroanisole
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Method for preparing 2,3-difluoro-6-methoxy-benzaldehyde
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Method for preparing 2,3-difluoro-6-methoxybenzoic acid
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