Molecular formula :
nature : also known as fentanyl citrate salt. Its common citrate. The white crystalline powder, no foul, and water-soluble. The goods to methacrylate prepared for raw materials. As potent narcotic analgesics. Applicable to all pain and surgery, gynecological surgery and the surgical process pain, but also for the prevention or mitigation of surgery after the delirium, but also combined with a narcotic, as a supplementary medication. In preoperative intramuscular injection of 30 ~ 60 minutes of its citrate 0.05 to 0.1 mg. Preparations for the injection.
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