Related terms: Formaldehyde, functional group, moiety, acetyl group, activating group, acyl group, alkanoyl group, alkoxy group, alkyl group, allyl group, amino group, benzoyl group, benzyl group, butyl group, carbonyl group, carboxyl group, deactivating group, directing group, electron donating group, electron releasing group, electron withdrawing group, ethyl group, hydroxyl group, isobutyl group, isopropyl group, leaving group, methine group, methoxy group, methyl group, methylene group, nitro group, phenyl group, phosphate group, propargyl group, propyl group, protecting group, R group, sec-butyl group, sulfhydryl group, tBDMS group, tBDPS group, tert-butyl group, TMS group, trifluoromethyl group, vinyl group, wavy line, formal charge