4H-1-Benzopyran-4-one, 5-amino-2- [4-[[2-amino-5-guanidinopentanoyl]amino]- 3-fluorophenyl]-6,8-difluoro-7-methyl-,trihydrobromide NSC703357 Pentanamide, 2-amino-N-[4-(5-amino-6,8-difluoro-7-methyl- 4-oxo-4H-1-benzopyran-2-yl)-2-fluorophenyl]- 5-[(aminoiminomethyl)amino]-, trihydrobromide