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(Key: 1 = valine; 2 = octane; 3 = alanine; 4 = xylulose; 5,12 = betaine; 6,13 = inositol; 7 = s-(5'-Adenosyl)-L-methionine; 8,9 = lignin compound 2012; 10 = glycyl-glycine; 11 = allose; 12 = coniferin, 14 = inositol phosphate).
