(2R,3S,4S,5R,6R)-2-{[(2R,3S,4R,5S,6S)-2-[2-{[(6-amino-2-{3-amino-1-[(2,3-diamino-3-oxopropyl)amino]-3-oxopropyl}-5-methylpyrimidin-4-yl)carbonyl]amino}-3-({5-[(1-{[2-(4-{[4-(N-{4-[(diaminomethylidene)amino]butyl}carbamimidamido)butyl]carbamoyl}-2,4'-bi-1,