1 9EX (2s)-2-methyl-3-sulfanyl-propan-1-ol 1.000 2 5OZ 2-methylpropanal 0.833 3 MPR 2-mercapto-propion aldehyde 0.833 4 03Y 2-methyl-L-cysteine 0.750 5 9DC (2s)-2,3-disulfanylpropan-1-ol 0.714 6 ALQ 2-methyl-propionic acid 0.714 7 IBO 2-methylpropanamide 0.714 8 MPT Beta-mercaptopropionic acid 0.714 9 SGM Monothioglycerol 0.714