cyclosporin lactam(3,4)

8-((S-(R*,R*))-N-Methyl-alpha-(2-methylpropyl)-2-oxo-3-amino-1-piperidineacetic acid)-9-de(N-methyl-L-leucine)cyclosporin a

Cyclosporin A, 8-((S-(R*,R*))-N-methyl-alpha-(2-methylpropyl)-2-oxo-3-amino-1-piperidineacetic acid)-9-de(N-methyl-L-leucine)-