1 A1A2I (2s)-2-(aminomethyl)-3-methylbutanoic acid 1.000 2 62H (2s)-3-amino-2-methylpropanoic acid 0.778 3 BIB Beta-amino isobutyrate 0.778 4 IVA Isovaleric acid 0.778 5 MB8 (2z)-2-methylbut-2-enoic acid 0.778 6 SMB 2-methylbutanoic acid 0.778 7 4L8 (2r)-2-(aminomethyl)-4-methylpentanoic acid 0.727 8 B2N (2s)-4-amino-2-(aminomethyl)-4-oxobutanoic acid 0.727 9 XKH (2r,3s)-2,3-dimethylbutanedioic acid 0.727 10 6ZS L-isovaline 0.700 11 DIV D-isovaline 0.700 12 DVA D-valine 0.700 13 ICN (S)-2-hydroxy-2,3-dimethylbutanenitrile 0.700 14 KIV 3-methyl-2-oxobutanoic acid 0.700 15 LHV (2s)-2-hydroxy-3-methylbutanoic acid 0.700 16 O4Q (~{E})-4-chloranyl-3-methyl-but-3-enal 0.700 17 RXL Dehydrovaline 0.700 18 VAD Deaminohydroxyvaline 0.700 19 VAI (2s)-2-amino-3-methylbutane-1,1-diol 0.700 20 VAL Valine 0.700