1	4TB	4-(2-thienyl)butyric acid	1.000
2	A1EDZ	4-oxidanylidene-4-thiophen-2-yl-butanoic acid	0.917
3	Y8G	2-butylthiophene	0.818
4	CLT	4-phenyl-butanoic acid	0.769
5	SNR	Norbiotin	0.733
6	3FB	(3s)-3-amino-4-phenylbutanoic acid	0.714
7	HMF	2-amino-4-phenyl-butyric acid	0.714
8	HPE	Homophenylalanine	0.714
9	Y9E	2-oxo-4-phenylbutanoic acid	0.714