1	PDF	4,4-difluoro-L-proline	1.000
2	4FB	(4s)-4-fluoro-L-proline	0.900
3	FP9	(4r)-4-fluoro-L-proline	0.900
4	2PC	3,4-dihydro-2h-pyrrolium-5-carboxylate	0.800
5	8LJ	(2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid	0.800
6	A1CAB	(2s)-3,4-dihydro-2h-pyrrole-2-carboxylic acid	0.800
7	DPR	D-proline	0.800
8	PRO	Proline	0.800
9	PYC	Pyrrole-2-carboxylate	0.800
10	3BY	1-methyl-L-proline	0.727
11	3WX	2-methyl-L-proline	0.727
12	7YO	(2r)-5-oxidanylidenepyrrolidine-2-carboxylic acid	0.727
13	DPL	4-oxoproline	0.727
14	G8X	(2~{S},3~{R})-3-oxidanylpyrrolidine-2-carboxylic acid	0.727
15	HY3	3-hydroxyproline	0.727
16	HYP	4-hydroxyproline	0.727
17	HZP	(4s)-4-hydroxy-L-proline	0.727
18	JKH	4-amino-proline	0.727
19	MP8	(4r)-4-methyl-L-proline	0.727
20	PCA	Pyroglutamic acid	0.727
21	PXU	2-hydroxy-L-proline	0.727
22	UY7	(4s)-4-hydroxy-D-proline	0.727
23	UYA	(4r)-4-hydroxy-D-proline	0.727
24	XRE	5-hydroxyproline	0.727
25	8GZ	D-prolinol	0.700
26	PRI	Pyrrolidine-2-carbaldehyde	0.700