103955-73-3 L-Isoleucine, N-(N-(N2-(1-(N-(N-(N-(N-(N2-(N-(3-hydroxy-1-oxohexadecyl)-L-alpha-glutamyl)-D-ornithyl)-L-tyrosyl)-D-allothreonyl)-L-alpha-glutamyl)-D-valyl)-L-prolyl)-L-glutaminyl)-D-tyrosyl)-, gamma1-lactone,(R)- Plipastatin A 1, 6-D-valine- Plipastatin B 1