742075-03-2

(5a)-4,5-Epoxy-14-hydroxy-3-methoxy-6-oxomorphinan-17-carboxylic Acid 1,1-Dimethylethyl Ester is an intermediate in the synthesis of Nalfurafine (N255600), which is a ╬║-opioid receptor agonist marketed as a treatment for uremic pruritus in hemodialysis patients.