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