1 MV2 (2s)-2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutanamide 1.000 2 PAU Pantothenoic acid 0.933 3 TXI (2r)-N-(4-chloro-3-oxobutyl)-2,4-dihydroxy-3,3-dimethylbutanamide 0.875 4 ISS (2e)-3-[(4-hydroxy-2-oxobutyl)amino]prop-2-enal 0.786 5 TEM N-(2-hydroxy-4-oxo-butyl)-N-(3-oxo-transpropenyl)amine 0.786 6 PCO 2,4-dihydroxy-N-[2-(2-mercapto-vinylcarbamoyl)-ethyl]-3,3-dimethyl-butyramide 0.778 7 PNY (2r)-2,4-dihydroxy-3,3-dimethyl-N-{3-oxo-3-[(2-sulfanylethyl)amino]propyl}butanamide 0.778 8 U44 (2r)-2-hydroxy-3,3-dimethyl-N-{3-oxo-3-[(2-sulfanylethyl)amino]propyl}butanamide 0.722 9 PN4 (2r)-2,4-dihydroxy-3,3-dimethyl-N-[3-oxo-3-(pentylamino)propyl]butanamide 0.700