Pyridine series

Fmoc-L-β3-homoproline

Fmoc-Lys(Mtt)-OH

Boc-N-methyl-L-leucine

Z-Phe-leu-oh

Fmoc-D-Leu-OH

DL-tert-Leucinamide

N-α-Methyl-L-isoleucine

H-Dl-meleu-oh

Fmoc-β-Homoleu-OH

Fmoc-L-HomoLeu-OH

H-Leu-OtBu HCl

H-Leu-PNA.HCL