butinazocine
carbazocine
gemazocine
anazocine
azaprocin
alletorphine
nitazene
volazocine
tonazocine
proxorphan
cogazocine
etazocine
moxazocine
zenazocine
noracymethadol
ethylketazocine
quadazocine
hydromorphinol
alfentanil
opium alkaloid
betamethadol
betacetylmethadol
diallylthiambutene
thiambutene
morpholinylthiambutene
piperidylthiambutene
alphacetylmethadol
codethyline
methylisopropylthiambutene
ketorfanol
methylpropylthiambutene
ciprefadol
alphamethadol
pyrrolidinylthiambutene
eseroline
anilopam
normorphine
nalmexone
levacetylmethadol
profadol
bromadoline
spiradoline
isomethadone
cyclorphan
ocfentanil
eptazocine
xorphanol
ibazocine
apomorphine
dioxaphetyl butyrate