화합물 4 a - 7 에 대한 1 H NMR ( D 2 O ) : 0 . 74 ( t , 3 H , C ( O ) CH 2 ( CH 2 ) 13 CH 3 ) , 0 . 93 ( m , peptide - H ) , 1 . 21 ( m , peptide - H ) , 1 . 28 ( m , 26 H , C ( O ) CH 2 ( CH 2 ) 13 CH 3 ) , 1 . 76 ( m , peptide - H ) , 2 . 52 ( m , 4 H , CH 2 CH 2 CONH ) , 2 . 43 ( t , 2 H , C ( O ) CH 2 ( CH 2 ) 13 CH 3 ) , 2 . 70 ( m , 12 H , P ( O ) ( N ( CH 3 ) 2 ) 2 ) , 3 . 17 ( m , peptide - H ) , 3 . 33 ( tt , 2 H , C - 6 - H 2 ) , 4 . 08 ( s , 2 H , peptide - H ) , 4 . 65 ( m , peptide - H ) , 4 . 98 ( s , 1 H , C - 5 - H ) , 5 . 43 ( t , H , C - 4 - H 2 )