Tramadol-13C,d3 HCl, 100µg/ml in MeOH, 1ml

2,4,6-Tribromophenol-PFB derivative

Norfentanyl hydrochloride

B-One® High-Efficiency Recombinant b-glucuronidase, >12,000 PS-U/mL, All-in-one, 10ml