Fentanyl was first synethsised in the 1960s. It is a potent, synethic opioid analgesic approximately 50 - 100 times more potent than morphine.Set of eight (8) clear glass ampoules with red print each containing 100mg in 2ml of Fentanyl (three different sizes)analgesic, fentynal, pain relief, opioid, synthetic