The drug contained fluorofentanyl blended with bromazolam, that's a benzodiazepine. It's not at all authorised for clinical use in any place. Hepatically, through oxidative pathways (via an enzyme belonging on the Cytochrome P450 relatives of enzymes). One of the primary metabolites is 3-hydroxybromazepam. It's pharmacologically active plus the half life https://bromazolamaustralia06160.bloggadores.com/29157054/5-simple-techniques-for-how-long-does-bromazolam-take-to-kick-in