1	CGN	5-oxo-pyrrolidine-2-carbaldehyde	1.000
2	PCA	Pyroglutamic acid	0.889
3	8GZ	D-prolinol	0.875
4	PRI	Pyrrolidine-2-carbaldehyde	0.875
5	2PC	3,4-dihydro-2h-pyrrolium-5-carboxylate	0.778
6	8LJ	(2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid	0.778
7	DPR	D-proline	0.778
8	LPD	L-prolinamide	0.778
9	PR9	D-prolinamide	0.778
10	PRO	Proline	0.778
11	PYC	Pyrrole-2-carboxylate	0.778
12	BAQ	Pyrrolidin-2-one	0.750
13	1AB	1,4-dideoxy-1,4-imino-D-arabinitol	0.700
14	2DR	2-deoxy-beta-D-erythro-pentofuranose	0.700
15	3BY	1-methyl-L-proline	0.700
16	3WX	2-methyl-L-proline	0.700
17	4FB	(4s)-4-fluoro-L-proline	0.700
18	9PR	N-methyl-L-prolinamide	0.700
19	DPL	4-oxoproline	0.700
20	EDG	1,4-dideoxy-1,4-imino-L-arabinitol	0.700
21	EX8	(2~{R},3~{R},4~{S})-3-fluoranyl-4-oxidanyl-pyrrolidine-2-carbaldehyde	0.700
22	FP9	(4r)-4-fluoro-L-proline	0.700
23	G8X	(2~{S},3~{R})-3-oxidanylpyrrolidine-2-carboxylic acid	0.700
24	HB0	Trans-4-(hydroxymethyl)cyclohexanol	0.700
25	HBA	P-hydroxybenzaldehyde	0.700
26	HY3	3-hydroxyproline	0.700
27	HYP	4-hydroxyproline	0.700
28	HZP	(4s)-4-hydroxy-L-proline	0.700
29	IMR	Iminoribitol	0.700
30	JKH	4-amino-proline	0.700
31	KLF	(2~{S},4~{R})-4-oxidanylpyrrolidine-2-carboxamide	0.700
32	LDU	Dideoxy-imino-lyxitol	0.700
33	MP8	(4r)-4-methyl-L-proline	0.700
34	PDW	Methyl D-prolinate	0.700
35	PLJ	Methyl L-prolinate	0.700
36	PXU	2-hydroxy-L-proline	0.700
37	UY7	(4s)-4-hydroxy-D-proline	0.700
38	UYA	(4r)-4-hydroxy-D-proline	0.700