1	BUQ	4-hydroxy-2-butanone	1.000
2	5KO	(3r)-3-hydroxybutanal	1.000
3	A1BNQ	Acetoacetyl group	1.000
4	BU2	1,3-butanediol	1.000
5	BU4	(3r)-butane-1,3-diol	1.000
6	0V1	(2~{S})-butane-1,2,4-triol	0.857
7	3HL	(3s)-3-hydroxybutanoic acid	0.857
8	3HR	(3r)-3-hydroxybutanoic acid	0.857
9	9VD	(2s,3s)-2-amino-3-hydroxybutanal	0.857
10	AAE	Acetoacetic acid	0.857
11	BGQ	2-hydroxy butane-1,4-diol	0.857
12	DE2	1-deoxy-L-erythrulose	0.857
13	P2D	Pentane-2,4-dione	0.857
14	THO	Reduced threonine	0.857
15	1BO	1-butanol	0.833
16	9A4	(2z)-but-2-en-1-ol	0.833
17	9A7	(2e)-but-2-en-1-ol	0.833
18	CRD	(2e)-but-2-enal	0.833
19	MDD	Malonaldehyde	0.833
20	PDO	1,3-propandiol	0.833
21	SBT	2-butanol	0.833
22	2TL	D-allothreonine	0.750
23	3VB	D-threitol	0.750
24	9AT	(2s,3r)-2-amino-3-hydroxy-butanamide	0.750
25	A1EJ2	D-erythrose	0.750
26	A1IFF	(R)-amino-3-hydroxybutanoic acid	0.750
27	A1IFH	(S)-amino-3-hydroxybutanoic acid	0.750
28	AKB	2-amino-3-ketobutyric acid	0.750
29	ALO	Allo-threonine	0.750
30	DTH	D-threonine	0.750
31	DTL	L-treitol	0.750
32	KIK	(4~{S})-4-azanyl-5-oxidanyl-pent-1-en-3-one	0.750
33	LER	L-erythrulose	0.750
34	MOZ	(2z)-2-amino-3-hydroxybut-2-enoic acid	0.750
35	MPD	(4s)-2-methyl-2,4-pentanediol	0.750
36	MRD	(4r)-2-methylpentane-2,4-diol	0.750
37	MRY	Meso-erythritol	0.750
38	OGU	2,3-dioh-butyric acid	0.750
39	QT8	3-oxidanylidenepentanoic acid	0.750
40	THR	Threonine	0.750
41	VGX	4-hydroxy-2-oxobutanoic acid	0.750
42	2FU	But-2-enedial	0.714
43	2HA	Dihydroxyacetone	0.714
44	2RP	(2r)-pentan-2-ol	0.714
45	3BB	3-bromobut-3-en-1-ol	0.714
46	3GR	D-glyceraldehyde	0.714
47	3OH	3-hydroxy-propanoic acid	0.714
48	4HA	4-hydroxybutan-1-aminium	0.714
49	89N	(2e)-but-2-ene-1,4-diol	0.714
50	BEO	Butenoic acid	0.714
51	BMD	Butyramide	0.714
52	BU1	1,4-butanediol	0.714
53	BU3	(R,R)-2,3-butanediol	0.714
54	BU9	Meso-2,3-butanediol	0.714
55	BUA	Butanoic acid	0.714
56	BUD	(2s,3s)-butane-2,3-diol	0.714
57	BUO	Butane-2,3-dione	0.714
58	FK2	3-oxidanylidenepropanoic acid	0.714
59	GOL	Glycerol	0.714
60	GXV	L-glyceraldehyde	0.714
61	HBR	R,3-hydroxybutan-2-one	0.714
62	HBS	S,3-hydroxybutan-2-one	0.714
63	I5Q	(2s)-butane-1,2-diol	0.714
64	NZ5	(2~{R})-butane-1,2-diol	0.714
65	P1W	3-methylbut-2-en-1-ol	0.714
66	PE9	Pentan-1-ol	0.714
67	PNH	Pentan-2-one	0.714
68	PTL	Pentanal	0.714
69	SEL	2-amino-1,3-propanediol	0.714