吡罗昔康杂质 F

2-丙酮基-1,1-二氧代-1,2-苯并噻唑-3-酮

methyl 2-[(2-methoxy-2-oxoethyl)sulfamoyl]benzoate

phenyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)acetate

吡罗昔康杂质 I