4,4′-二氨基二苯硫醚,4,4′-Diaminodiphenyl sulfide;98%
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N-乙基间甲苯胺,N-Ethyl-m-toluidine;≥98.0% (GC)
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3,3',4',5-四氯水杨酰苯胺,Tetrachlorosalicylanilide
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6,13-二苯基并五苯,6,13-Diphenylpentacene [DPP];98%
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3-三氟甲基苯甲酸甲酯,Methyl 3-(trifluoromethyl)benzoate
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2-氯-6-甲基吡啶,2-Chloro-6-methylpyridine;99%
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3,5-二硝基水杨酸,3,5-Dinitrosalicylic acid [DNS];used in colorimetric determination of reducing sugars, ≥98% (HPLC and titration)