WebFeb 26, 2011 · 药物组合物 治疗银屑病 吡唑 ... 本发明提供了3-甲基-1-苯基-2-吡唑啉-5-酮或其药学上可接受的盐或含有它们中任何一种的药物组合物在制备用于预防和/ ... http://www.xjishu.com/zhuanli/27/202411532120.html
3-甲基-1-对甲苯基-5-吡唑啉酮 CAS 86-92-0 南京化学试剂
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1—苯基—3—甲基—4—氯代苯氧乙酰基—5—吡唑啉酮的合成-吴 …
WebApr 11, 2024 · 目前,我国现有2-氨基-5-氯-n,3-二甲基苯甲酰胺、3-溴-1-(3-氯-2-吡啶基)-1h-吡唑-5-羧酸、甘氨酸、双甘膦、甲基亚磷酸二乙酯及2,3-二氯-5-三氟甲基吡啶等农药中 … http://www.nj-reagent.com/item/detail/C07285294.htm Web由1-苯基-3-甲基吡唑酮-5经甲基化、水解而得。 在干燥的甲基化罐中,加入吡唑酮,再加入硫酸二甲酯,升温至160℃,反应6h,加热水煮沸2h。 将此甲基化反应物放入盛有氢氧 … trencher bowl