Fentanyl vein controlled analgesic
Fentanyl Transdermal System
Transdermal fentanyl sticking-plaster
Fentanyl Citrate Injection
Fentanyl
芬
枸橼
吩
芬太尼
茅头蛇
舒芬太尼
脾肿大
美沙酮
芬大尼
硬膜外止痛
吩坦尼
Carboxyl-3-methyl fentanyl
Analgesia with Fentanyl
4-substituted fentanyl derivatives
4-Methoxycarbonyl fentanyl
3-Methyl fentanyl analogs