Terms sourced from: http://iupac.org/publications/pac/67/8/1307/

"Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)", Moss, G.P.;Smith, P.A.S.;Tavernier, D., Pure And Applied Chemistry 1995, 67(8-9), 1307

α-oxo carbenesacenesacetalsacetonidesacetylenesacetylidesaci-nitro compoundsacid anhydridesacyl carbenesacyl groupsacyl halidesacyl speciesacylalsacyloinsacyloxyl radicalsaglycon (aglycone)alcoholatesalcoholsaldaric acidsaldazinesaldehydesaldiminesalditolsaldoketosesaldonic acidsaldosesaldoximesalicyclic compoundsaliphatic compoundsalkaloidsalkanesalkanium ionsalkenesalkoxidesalkoxyaminesalkyl groupsalkyl radicalsalkylenesalkylidene groupsalkylideneaminoxyl radicalsalkylideneaminyl radicalsalkylidenesalkylidynesalkynesallenesallylic groupsallylic intermediatesamic acidsamide oximesamidesamidinesamidium ionsamidrazonesaminalsamine imidesamine imines [obsolete]amine oxidesamine ylidesaminesaminimides [obsolete]aminium ionsaminiumyl radical ionsamino radicals [obsolete]amino sugarsaminonitrenes [obsolete]aminooxyl radicalsaminoxidesaminoxyl radicalsaminyl oxides [obsolete]aminyl radicalsammonium compoundsammonium imines [obsolete]ammonium ylidesammoniumyl radical ionsampholytesanhydridesanhydro basesanilidesanilsannulenesannulenylidenesansa compoundsanthocyanidinsanthocyaninsantiaromatic compoundsarene epoxidesarene oxidesarenesarenium ionsarenolsarenonium ions [obsolete]aromaticarsanesarsanylidenesarsanylium ionsarsenidesarsine oxidesarsinesarsinic acidsarsinous acidsarsonic acidsarsonium compoundsarsonous acidsarsoranesaryl cationsaryl groupsarylene groupsaryneazanesazidesazimines [obsolete]azinesazinic acidsazlactonesazo compoundsazo imidesazomethine imidesazomethine oxidesazomethine ylidesazomethinesazonic acidsazoxy compoundsπ-adductacetogeninsacid thioanhydridesacyl anionsacyl cationsacylium ionsacyl radicalsalkylideneamino carbenesamide hydrazonesaminylenesaminylium ionsarsinidenesazaminesazo ylides