Synonyms: Cyclic(L-lactoyl-L-valyl-D-prolyl-D-valyl-L-lactoyl-L-valyl-D-prolyl-D-valyl-L-lactoyl-L-valyl-D-prolyl-D-valyl-L-lactoyl-L-valyl-D-prolyl-D-valyl);5H,19H,33H,47H-Tetrapyrrolo[2,1-f:2',1'-r:2'',1''-d1:2''',1'''-p1][1,13,25,37,4,7,10,16,19,22,28,31,34,40,43,46]tetraoxadodecaazacyclooctatetracontine,cyclic peptide deriv.