L-Ornithine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N5-(2-pyrazinylcarbonyl)-
L-Ornithine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N5-(pyrazinylcarbonyl)-
N2-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N5-(2-pyrazinylcarbonyl)-L-ornithine
(2S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-5-(pyrazine-2-carbonylamino)pentanoic acid