1	ASL	Aspartic acid-4-carboxyethyl ester	1.000
2	ASB	Aspartic acid-4-carboxymethyl ester	0.929
3	0AK	(2s)-2-amino-4-(2-chloroethoxy)-4-oxobutanoic acid	0.733
4	9J3	4-ethoxy-4-oxobutanoic acid	0.714
5	FL6	(2s)-2-azanyl-4-methoxy-4-oxidanylidene-butanoic acid	0.714
6	NF3	(~{z})-4-ethoxy-4-oxidanylidene-but-2-enoic acid	0.714