Levothyroxine Impurity 16 , 0.95 , 【909279-46-5】
Molecular Formula: C15H11ClI3NO4
Formula Weight: 685.42
5-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine , NLT 97% , 【1804757-76-3】
Molecular Formula: C9H4ClF8NO
Formula Weight: 329.57
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