1	S1P	(2s,3r,4e)-2-amino-3-hydroxyoctadec-4-en-1-yl dihydrogen phosphate	1.000
2	E9H	Hexadecyl dihydrogen phosphate	0.840
3	1PW	(2s,3r,4e)-2-(acetylamino)-3-hydroxyoctadec-4-en-1-yl dihydrogen phosphate	0.828
4	87O	Phosphono hexadecanoate	0.808
5	SPH	Sphingosine	0.769
6	SQS	(2s,3r,4e)-2-aminooctadec-4-ene-1,3-diol	0.769
7	VSD	3-dehydrosphinganine	0.769
8	SPU	2-{[(R)-{[(2s,3r,4e)-2-amino-3-hydroxyoctadec-4-en-1-yl]oxy}(hydroxy)phosphoryl]oxy}-N,N,N-trimethylethanaminium	0.750
9	8K6	Octadecane	0.720
10	4S7	1-{3-[(R)-hydroxy(octadecyloxy)phosphoryl]propyl}triaza-1,2-dien-2-ium	0.710