Afatinib Impurity 18 , 0.95 , 【2316847-95-5】
Molecular Formula: C22H20ClFN4O4
Formula Weight: 458.87
6-(Fluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxaldehyde , NLT 98% , 【1361753-02-7】
Molecular Formula: C9H7F4NO2
Formula Weight: 237.15
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