1	PIV	Pivalic acid	1.000
2	ALQ	2-methyl-propionic acid	0.857
3	MU6	Dimethylpropanedioic acid	0.778
4	62H	(2s)-3-amino-2-methylpropanoic acid	0.750
5	AIB	Alpha-aminoisobutyric acid	0.750
6	B2P	2-bromo-2-methylpropanoic acid	0.750
7	BIB	Beta-amino isobutyrate	0.750
8	HIU	(2r)-3-hydroxy-2-methylpropanoic acid	0.750
9	HUI	(2s)-2-methyl-3-oxidanyl-propanoic acid	0.750
10	MB8	(2z)-2-methylbut-2-enoic acid	0.750
11	SMB	2-methylbutanoic acid	0.750
12	TAY	2,2-dimethylpropanamide	0.750
13	5OZ	2-methylpropanal	0.714
14	AKR	Acrylic acid	0.714
15	DK6	Propane-1,1-diol	0.714
16	PPI	Propanoic acid	0.714
17	WOC	2,2-dimethylbutanedioic acid	0.700