pyrrolidone

noun 0.759

pyrroline

noun 0.753

pyrrole

noun 0.720

pyrrolyl

noun 0.705

pyridinol

noun 0.680

pyridine

noun 0.670

propionitrile

noun 0.654

pyridinium

noun 0.651

pyridyl

noun 0.633

malononitrile

noun 0.631

nitrile

noun 0.631

nitrofuran

noun 0.626

pyrethrin

noun 0.622

carbonitrile

noun 0.618

nitroquinoline

noun 0.617

pyr

noun 0.616

nitrone

noun 0.609

adiponitrile

noun 0.608

pyrazine

noun 0.603

pyridylmethyl

noun 0.602

cyanohydrin

noun 0.599

phthalonitrile

noun 0.596

acrylonitrile

noun 0.590

pyocyanin

noun 0.587

nitroaniline

noun 0.585

nitramine

noun 0.581

phenylpyridine

noun 0.576

nitroguanidine

noun 0.575

purpurin

noun 0.575

pyridoxine

noun 0.575

nitroanilide

noun 0.571

acetonitrile

noun 0.569

diaminopyridine

noun 0.568

pyrazole

noun 0.567

nitropropane

noun 0.565

nitrene

noun 0.563

pyrimidine

noun 0.563

polyacrylonitrile

noun 0.562

methylpyridinium

noun 0.560

pyroxylin

noun 0.559

dinitrophenylhydrazine

noun 0.557

benzonitrile

noun 0.556

pyrantel

noun 0.556

polypyrrole

noun 0.555

terpyridine

noun 0.555

propanil

noun 0.554

picryl

noun 0.554

nitroaromatic

noun 0.548

nitrilotriacetate

noun 0.546

pentaerythritol tetranitrate

noun 0.544

pyrene

noun 0.544

peroxynitrite

noun 0.543

pyroglutamate

noun 0.543

nodularin

noun 0.542

nitroso

noun 0.542

dinitrobenzene

noun 0.542

nitrobenzyl

noun 0.541

nitrofurantoin

noun 0.540

pyrochlore

noun 0.539

vinylpyrrolidone

noun 0.538

dinitrophenyl

noun 0.536

porphyrin

noun 0.535

antipyrine

noun 0.535

dinitrophenol

noun 0.535

nitrobenzaldehyde

noun 0.534

indolizidine

noun 0.533

nitrobenzene

noun 0.533

aziridine

noun 0.532

piperonyl

noun 0.532

tetrapyrrole

noun 0.532

nitrobenzoic acid

noun 0.532

caprolactam

noun 0.532

dihydropyran

noun 0.531

azobisisobutyronitrile

noun 0.531

peroxyacetyl nitrate

noun 0.531

aminotriazole

noun 0.531

picric acid

noun 0.531

pipecolic acid

noun 0.530

polypyrimidine

noun 0.530

purine

noun 0.529

aminopurine

noun 0.529

nitric

noun 0.529

nitro

noun 0.528

nitride

noun 0.528

uroporphyrinogen

noun 0.526

nitration

noun 0.526

bipyridinium

noun 0.526

trinitrate

noun 0.525

cylindrospermopsin

noun 0.525

pyrrhotite

noun 0.524

ethyleneimine

noun 0.523

carbonitride

noun 0.523

tetrahydropyran

noun 0.523

phenylenediamine

noun 0.522

nitrosoguanidine

noun 0.522

polyproline

noun 0.522

hydrazine

noun 0.522

pyruvic acid

noun 0.521

prodigiosin

noun 0.519

acridinium

noun 0.519