pyrrolidinylthiambutene
methylpropylthiambutene
diallylthiambutene
methylisopropylthiambutene
morpholinylthiambutene
piperidylthiambutene
moxazocine
cogazocine
zenazocine
etazocine
tonazocine
anilopam
proxorphan
acetylfentanyl
ocfentanil
bromadoline
thiambutene
profadol
ibazocine
eptazocine
pholcodine
xorphanol
cyclorphan
letimide
crotetamide
nicafenine
sumacetamol
desmethylmoramide
nafoxadol
cizolirtine
apadoline
levoxadrol
nantradol
acefurtiamine
nicoboxil
palmidrol
fluradoline
quillifoline
florifenine
acequinoline
dexproxibutene
anidoxime
lorcinadol
norlevorphanol
fedotozine
betamethadol
volazocine
homprenorphine
doxpicomine
alphamethadol