]> Michel Dumontier Natalia Rosales-Villanueva Molecular structure and chemical functional groups. Chemical Functional Groups rdf/xml January 1, 2007 chemical functional groups http://dumontierlab.com 1.0 2 2 aka carboxylate ester 2 2 2 hasSingleBondWith some (CarbonAtom that (hasSingleBondWith some HydrogenAtom) and (hasSingleBondWith min 3 Thing)) 3 2 1 2 hasSingleBondWith some (NitrogenAtom that (hasSingleBondWith exactly 1 Thing) and (hasSingleBondWith some HydrogenAtom)) 2 1 2 2 2 2 1