compound vs preparation

Other hyponyms of compound include vanillin, acceptor, adduct, antiknock, acid, arsenide, hydrogen cyanide, anionic compound, alkali, base, binary compound, taurine, chromogen, manganese tetroxide, monomer, ozonide, organic compound, ammine, anhydride, azide, bitter principle, buffer, calcium-cyanamide, cyanamide, carbonyl, carbon disulfide, cofactor, cementite, iron carbide, chloropicrin, nitrochloroform, complex, coordination compound, allomorph, corrosive, aluminate, defoliant, depilatory, derivative, dimer, fixer, fixing agent, flavone, formulation, enantiomer, enantiomorph, exotherm, goitrogen, benzofuran, coumarone, cumarone, synthetic, synthetic substance, hydrate, hydroxide, incense, inorganic compound, repellant, repellent, repellant, repellent, iodocompound, isomer, hydrated oxide, hydroxide, menthol, nitrogen mustard, nitride, oxide, polymer, preservative, benzoquinone, quinone, salt, caustic, nitrate, chloride, heterocycle, heterocyclic, heterocyclic compound, silicide, siloxane, solvate, sternutator, sternutatory, stripper, sulfide, sulphide, telluride, tenderiser, tenderizer, tetrachloride, triazine, U308, yellowcake, enamel, pregnanediol, unsaturated compound, ampholyte, amphoteric electrolyte.