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