has role is substituent group from methane alkyl group methyl group -CH3 -Me 0 15.023 15.03452 An alkyl group that is the univalent group derived from methane by removal of a hydrogen atom. CH3 CH3- CHEBI:2449 CHEBI:25251 CHEBI:25252 CHEBI:32875 CHEBI:48801 METHYL GROUP Methylgruppe alanine side-chain chebi_ontology group methyle grupo metilo methyl methyl group proteinogenic amino-acid side-chain group mouse metabolite