1	AWQ	3-[4-(2-hydroxy-2-oxoethyl)-2,5-dimethyl-1~{H}-pyrrol-3-yl]propanoic acid	1.000
2	PBG	3-[5-(aminomethyl)-4-(carboxymethyl)-1h-pyrrol-3-yl]propanoic acid	0.882
3	FWL	3-[5-(aminomethyl)-4-(carboxymethyl)-2-iodo-1h-pyrrol-3-yl]propanoic acid	0.833