1	GBL	Gamma-butyrolactone	1.000
2	HSL	Homoserine lactone	0.857
3	U5N	(2~{R})-2-methyl-2~{H}-furan-5-one	0.857
4	U6W	5-methyl-3~{H}-furan-2-one	0.857
5	YVR	Gamma-valerolactone	0.857
6	H3M	(5r)-5-hydroxy-3-methylfuran-2(5h)-one	0.750
7	SGU	(5s)-5-methyloxolane-2,2-diol	0.750
8	VTY	(5s)-5-hydroxy-3-methylfuran-2(5h)-one	0.750
9	BAQ	Pyrrolidin-2-one	0.714
10	MFW	Cyclopentanone	0.714
11	YEG	Cyclopentanol	0.714