Synonyms: Cyclo(2-methylalanyl-L-phenylalanyl-D-prolyl-h-oxo-L-a-aminooxiraneoctanoyl), (S)-;Cyclo[2-methylalanyl-L-phenylalanyl-D-prolyl-(aS,2S)-a-amino-h-oxooxiraneoctanoyl](9CI); Pyrrolo[1,2-a][1,4,7,10]tetraazacyclododecine, cyclic peptide deriv.;Chlamydocin; Cyclic(2-methylalanyl-L-phenylalanyl-D-prolyl-h-oxo-L-a-aminooxiraneoctanoyl), (S)-