1	C2T	3-(1-ethyl-1,1-dimethylhydrazin-1-ium-2-yl)propanoic acid	1.000
2	REE	2-(2-carboxyethyl)-1,1,1-trimethyldiazanium	0.909
3	RUJ	3-(1,1,1,2-tetramethylhydrazin-1-ium-2-yl)propanoate	0.833