343629-61-8
(5-methylsulfonylpyridin-2-yl)hydrazine
→
358742-71-9
2-(5-methylsulfonylpyridin-2-yl)-5-(trifluoromethyl)-1H-pyrazol-3-one
372-31-6
三氟乙酰乙酸乙酯
+