has functional parent amino-acid betaine imidazoles ergothioneine S-methyl-L-ergothioneine (+)-L-S-methylergothioneine (+)-L-methylergothioneine (+)-S-methyl-L-ergothioneine (+)-S-methylergothioneine (2S)-3-(2-methylsulfanyl-1H-imidazol-5-yl)-2-(trimethylazaniumyl)propanoate (2S)-3-[2-(methylsulfanyl)-1H-imidazol-4-yl]-2-(trimethylammonio)propanoate (2S)-3-[2-(methylsulfanyl)-1H-imidazol-4-yl]-2-(trimethylammonio)propionate 243.104 243.327 7S-(+)-methylergothioneine An amino acid betaine that is ergothioneine in which the hydrogen attached to the sulfur is replaced by a methyl group. It has been isolated from the deepwater (500-1,600 m) marine sponge Macandrewia azorica. C10H17N3O2S CHEBI:76620 CHEBI:90131 GVQNHIYBRMFCMS-QMMMGPOBSA-N InChI=1S/C10H17N3O2S/c1-13(2,3)8(9(14)15)5-7-6-11-10(12-7)16-4/h6,8H,5H2,1-4H3,(H-,11,12,14,15)/t8-/m0/s1 L-(+)-S-methylergothioneine L-S-methylergothioneine PMID:15340692 PMID:24167631 PMID:8615839 S-methylergothioneine [N+](C)([C@H](C(=O)[O-])CC=1NC(SC)=NC1)(C)C chebi_ontology methyl sulfide