112926-33-7

N,N-Dimethylthreonylvalyl-2-phenylglycylprolyl-N-methylvalyl-2,3-didehydro-3-oxiranylhomoserylprolyl-b,3-dihydroxy-O-methyltyrosyl-N-methylvalyl-a,b-didehydro-N-methyltyrosine e1-lactone cyclic (8&reg