organic compound vs quaternary ammonium compound

Other hyponyms of organic compound include aldehyde, aliphatic compound, alkylbenzene, alkyl halide, haloalkane, amino acid, aminoalkanoic acid, diamine, enol, halon, peptone, proenzyme, zymogen, propylthiouracil, ether, acetal, aldehyde-alcohol, aldol, alkaloid, amide, rennet, azadirachtin, thiazine, cacodyl, tetramethyldiarsine, neurochemical, acid anhydrides, acyl anhydrides, acid halide, acyl halide, coal-tar creosote, creosote, creosote, cyanide, nitril, nitrile, cyanohydrin, ester, furan, furane, furfuran, glycoside, resin, rosin, halocarbon, hemiacetal, erythrocytolysin, erythrolysin, haemolysin, hemolysin, humic substance, hydrocarbon, ketone, macromolecule, supermolecule, nitrobenzene, oxime, petrochemical, creatine phosphate, creatine phosphoric acid, phosphocreatine, phenol, pyrimidine, quassia, steroid, nonsteroid, nonsteroidal, thiouracil, carbamide, urea, imide, xanthine, organometallic compound, hydrazide, stearate, cyclamate.