Synonyms: 1H,19H-Tetrapyrrolo[1,2-a:1',2'-d:1'',2''-p:1''',2'''-y][1,4,7,10,13,16,19,22,25,28,31,34]dodecaazacyclohexatriacontine,cycloleonurinin deriv.;Cyclo(L-alanylglycyl-L-prolyl-L-threonyl-L-glutaminyl-L-tyrosyl-L-prolyl-L-prolyl-L-tyrosyl-L-tyrosyl-L-threonyl-L-prolyl)