Pentanamide,2-amino-5-[[[[(3,4-dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-yl)sulfonyl]amino]iminomethyl]amino]-N-[(1S)-3-methyl-1-[5-(phenylmethyl)-2-oxazolyl]butyl]-, (2R)-