Keywords: Amminoacido metionina formula.png Methionine structure formula drawn by --Paginazero 17 00 12 Nov 2004 UTC with XymTex corresponds to the code <nowiki> <xym> \heptamethylene 1 CH _3 ;2 S;7 OH 5SB NH _2 ;5SA H;6D O </xym> </nowiki> Paginazero Methionine |