Intermediate

1 Noroxymorphone ethyl Carbamate
2 Noroxycodone ethyl Carbamate
3 Thebaine – CAS: 115-37-7
4 Norcodeine ethyl Carbamate
5 Hydroxycodeinone  CAS: 508-54-3
6 Noroxycodone (Base & HCl)  – CAS[Base]: 57664-96-7 – CAS[HCl]: 52446-25-0
7 3-O-Methylnaltrexone – CAS: 16617-07-5
8 3-O,N-(Diethoxycarbonyl)normorphine
9 Normorphinone ethyl Carbamate
10 Normorphine ethyl Carbamate
11 14-Hydroxynormorphinone ethyl Carbamate
12 Noroxymorphone (Base & HCl) – CAS[Base]: 33522-95-1 – CAS[HCl]: 52446-24-9
13 Norhydromorphone ethyl Carbamate
14 6-Acetyl dihydrocodeine(CAS:3861-72-1)
15 Thevinone – CAS:15358-22-2
16 Dihydrothevinone(CAS:16196-82-0)
17 Thevinol
18 Endo-ethanonorthebaine
19 Norbuprenorphine – CAS:78715-23-8
20 Buprenorphine base – cCAS:52485-79-7