Synonyms: L-Cysteinamide,N-(11,22,33-trihydroxy-1,4,12,15,23,26,34-heptaoxo-5,11,16,22,27,33-hexaazapentatriacont-1-yl)-D-phenylalanyl-L-cysteinyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-N-[2-hydroxy-1-(hydroxymethyl)propyl]-,cyclic (2®7)-disulfide, [R-(R*,R*)]-;1,2-Dithia-5,8,11,14,17-pentaazacycloeicosane, cyclic peptide deriv.; SDZ216-927