IUPAC:N-{3-[(2R,5R,8R,11R,14S,17S,20S)-5,8,11-tris(3-carbamimidamidopropyl)-14,17,20-tris[(naphthalen-2-yl)methyl]-3,6,9,12,15,18,21-heptaoxo-1,4,7,10,13,16,19-heptaazacyclohenicosan-2-yl]propyl}guanidine
IUPAC:N-{3-[(2R,5R,8R,11R,14S,17S,20S)-5,8,11-tris(3-carbamimidamidopropyl)-14,17,20-tris[(naphthalen-2-yl)methyl]-3,6,9,12,15,18,21-heptaoxo-1,4,7,10,13,16,19-heptaazacyclohenicosan-2-yl]propyl}guanidine