1	0AH	O-(bromoacetyl)-L-serine	1.000
2	OAS	O-acetylserine	0.909
3	42Y	O-propanoyl-L-serine	0.833
4	TH5	O-acetyl-L-threonine	0.833
5	TIS	O-(1,1-dihydroxyethyl)-L-serine	0.833
6	1X6	O-[(2e)-3-aminoprop-2-enoyl]-L-serine	0.769
7	432	O-butanoyl-L-serine	0.769
8	AZS	O-diazoacetyl-L-serine	0.769
9	7BC	3-(acryloyloxy)propanoic acid	0.750
10	OLZ	O-(2-aminoethyl)-L-serine	0.750
11	7C9	O-methyl-L-serine	0.727
12	J8W	(2~{S})-2-azanyl-3-(3-oxidanyl-3-oxidanylidene-propanoyl)oxy-propanoic acid	0.714
13	K5L	(2~{R})-2-azanyl-3-(3-oxidanyl-3-oxidanylidene-propanoyl)oxy-propanoic acid	0.714