prodynorphin

noun 0.649

butorphanol

noun 0.642

meperidine

noun 0.631

diacetylmorphine

noun 0.620

dihydrocodeine

noun 0.619

diamorphine

noun 0.613

dipropionate

noun 0.610

remifentanil

noun 0.597

pethidine

noun 0.596

levorphanol

noun 0.593

hydromorphone

noun 0.593

dextropropoxyphene

noun 0.591

diphenyl

noun 0.587

ethylmorphine

noun 0.578

methadone

noun 0.573

desipramine

noun 0.573

dexmedetomidine

noun 0.572

diphenyl ether

noun 0.571

enkephalin

noun 0.569

diphenylmethane

noun 0.567

diphenylmethyl

noun 0.566

pentazocine

noun 0.561

morphine

noun 0.555

diphenhydramine

noun 0.554

benzphetamine

noun 0.553

butyrophenone

noun 0.553

diphenol

noun 0.552

naloxone

noun 0.550

beclomethasone dipropionate

noun 0.549

deltamethrin

noun 0.547

propofol

noun 0.547

met-enkephalin

noun 0.547

atipamezole

noun 0.547

dibucaine

noun 0.546

oxprenolol

noun 0.545

dibutyl

noun 0.544

preproenkephalin

noun 0.544

dextromethorphan

noun 0.542

opioid

noun 0.538

biperiden

noun 0.537

opiate

noun 0.535

cyclodiene

noun 0.532

nandrolone

noun 0.532

oxyphenbutazone

noun 0.528

dioxanone

noun 0.527

noscapine

noun 0.526

cyproterone

noun 0.525

calcipotriene

noun 0.524

diisopropylamine

noun 0.524

diaminopyridine

noun 0.523

diphenylphosphine

noun 0.522

domperidone

noun 0.522

dipyridamole

noun 0.522

diphenylamine

noun 0.522

endorphin

noun 0.520

oxycodone

noun 0.518

naltrexone

noun 0.516

desvenlafaxine

noun 0.516

buprofezin

noun 0.515

diazepam

noun 0.515

dimethenamid

noun 0.514

dimethyltryptamine

noun 0.513

dronabinol

noun 0.513

pamidronate

noun 0.513

zolazepam

noun 0.513

bromazepam

noun 0.513

propoxur

noun 0.513

pimobendan

noun 0.512

dibromide

noun 0.511

fentanyl

noun 0.511

rilpivirine

noun 0.511

phendimetrazine

noun 0.511

quinpirole

noun 0.511

benzamidine

noun 0.510

nonnarcotic

noun 0.510

prednisone

noun 0.510

biphenyl

noun 0.509

teriparatide

noun 0.509

tramadol

noun 0.509

denosumab

noun 0.508

pheniramine

noun 0.508

thebaine

noun 0.508

phenmetrazine

noun 0.508

iprodione

noun 0.508

midazolam

noun 0.508

midodrine

noun 0.507

codeine

noun 0.507

phenobarbitone

noun 0.507

sulpiride

noun 0.506

dibenzo

noun 0.505

diltiazem

noun 0.504

darunavir

noun 0.504

deoxypyridinoline

noun 0.504

phenoxybenzamine

noun 0.503

prednisolone

noun 0.503

dexamethasone

noun 0.501

isradipine

noun 0.501

tetrahydroisoquinoline

noun 0.501

chloroprene

noun 0.500