pyrazine

noun 0.813

tetrazole

noun 0.724

triazole

noun 0.720

pyrrole

noun 0.702

thiazole

noun 0.685

pyrrolidone

noun 0.655

pyridyl

noun 0.647

pyrrolyl

noun 0.642

pyridinol

noun 0.638

pyrroline

noun 0.636

pyridine

noun 0.636

pyridylmethyl

noun 0.630

imidazole

noun 0.629

imidazolyl

noun 0.627

posaconazole

noun 0.616

piroxicam

noun 0.616

piperazine

noun 0.616

indazole

noun 0.615

phenylpyridine

noun 0.610

thiazoline

noun 0.604

triazene

noun 0.598

carbazole

noun 0.598

pyran

noun 0.596

azepine

noun 0.593

triazolam

noun 0.588

pyraclostrobin

noun 0.585

pyrimidine

noun 0.585

aminotriazole

noun 0.584

hydrazide

noun 0.580

oxazoline

noun 0.578

pyranose

noun 0.576

aripiprazole

noun 0.574

pyridinium

noun 0.573

thiazolidinedione

noun 0.570

triazophos

noun 0.569

sulfinpyrazone

noun 0.568

pyrrolnitrin

noun 0.567

propiconazole

noun 0.567

pyrantel

noun 0.565

semicarbazone

noun 0.565

pyr

noun 0.564

tetrahydropyran

noun 0.563

rabeprazole

noun 0.561

paclobutrazol

noun 0.560

quinazoline

noun 0.560

imidazolate

noun 0.560

hydrazone

noun 0.557

pioglitazone

noun 0.556

tropolone

noun 0.555

pyrene

noun 0.554

azetidine

noun 0.552

phenylboronic acid

noun 0.550

antipyrine

noun 0.550

terpyridine

noun 0.549

metrazol

noun 0.549

azole

noun 0.548

dihydropyran

noun 0.547

purpurin

noun 0.547

nitrazepam

noun 0.547

pyruvate

noun 0.545

piracetam

noun 0.543

polypyrrole

noun 0.541

phenazine

noun 0.540

oltipraz

noun 0.540

thiophene

noun 0.540

polybenzimidazole

noun 0.539

phenylpropyl

noun 0.538

ketoconazole

noun 0.538

pirfenidone

noun 0.536

hydrazine

noun 0.536

olanzapine

noun 0.536

diazepine

noun 0.535

pyrocatechol

noun 0.535

porphyrin

noun 0.534

phenylurea

noun 0.533

phenylbutazone

noun 0.532

pyrethrin

noun 0.531

purine

noun 0.531

barbituric acid

noun 0.530

benzothiadiazole

noun 0.530

cyromazine

noun 0.530

cyclopentenone

noun 0.530

bipyridinium

noun 0.529

pyruvic acid

noun 0.529

troglitazone

noun 0.529

quinpirole

noun 0.529

aziridine

noun 0.528

diaminopyridine

noun 0.528

hydroxybenzotriazole

noun 0.528

piperonyl

noun 0.527

tetrapyrrole

noun 0.525

boronic acid

noun 0.524

phenyl

noun 0.524

cyclopentanone

noun 0.524

pentazocine

noun 0.523

pipecolic acid

noun 0.522

azabicyclo

noun 0.522

polyphosphazene

noun 0.521

pyrochlore

noun 0.521

azine

noun 0.521