1	1HB	(4s)-4-amino-5-hydroxy-N,N-dimethylpentanamide	1.000
2	QMM	N,N-dimethyl-L-glutamine	0.917
3	MEQ	N5-methylglutamine	0.833
4	85G	N-ethyl-L-glutamine	0.769
5	85J	N-propyl-L-glutamine	0.714