1	DPE	N-undecanylphosphonate methyl ester group	1.000
2	MUP	Methoxyundecylphosphinic acid	0.938
3	C11	Undecyl-phosphinic acid butyl ester	0.833
4	TO4	Propan-2-yl (R)-dodec-11-en-1-ylphosphonofluoridate	0.789
5	UND	Undecane	0.733
6	9PD	Dodecyldimethylphosphine oxide	0.722
7	DCX	Decyl(dimethyl)phosphine oxide	0.706