1	ELT	Ethoxy-~{N},~{N}-dimethyl-phosphonamidic acid	1.000
2	NTJ	R-ethyl N,N-dimethylphosphonamidate	0.889
3	TC3	Ethyl hydrogen methylamidophosphate	0.889
4	TUN	Ethyl hydrogen diethylamidophosphate	0.818
5	TN7	Ethyl hydrogen ethylamidophosphate	0.800
6	TC5	Ethyl hydrogen propylamidophosphate	0.727