Therefore, based on the obtained data from UV, FTIR, HR-ESI-MS, and NMR analyses, the structure of the compound was determined to be pyraclostrobin with the chemical formula C19H18ClN3O4(Figure 9). Pyraclostrobin: pale-yellow-colored amorphous powder; tR = 5.11 min; UV (MeOH) λmax268...