1-甲基-3-氯-4-甲氧羰基吡唑-5-磺酰胺 100784-27-8 98%
海外直订The Condensation of (Chlorocarbonyl)phenyl ketene with Bisnucleophiles (氯羰基)苯基烯酮与亲核试剂的缩合反应