122958-60-5 138240-77-4 2-(3-Methyl-D-2-hydroxybutanoic acid)-4-L-leucine-7-L-threonine-10-L-leucinecyclosporin A 2-Thr-5-leu-8-hiv-10-leu-cyclosporin Cyclosporin A, 2-(3-methyl-D-2-hydroxybutanoic acid)-4-L-leucine-7-L-threonine-10-L-leucine- Cyclosporin, thr(2)-leu(5)-hiv(8)-leu(10)- Cyclosporin, threonyl(2)-leucyl(5)-2-hydroxyisovalyl(8)-leucine(10)- Sdz 214-103