Sitagliptin EP Impurity B , 【1345822-87-8】
Molecular Formula: C16H19F5N5O5P
Formula Weight: 487.318
Methyl 2-phenyloxirane-2-carboxylate , Min98% HPLC/GC , 【98324-47-1】
Molecular Formula: C10H10O3
Formula Weight: 178.18
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