(3S)-3,6-diamino-N-[(3S,6Z,9S,12S,15S)-3-[(4R,6S)-2-amino-6-hydroxy-3,4,5,6-tetrahydropyrimidin-4-yl]-9,12-bis(hydroxymethyl)-2,5,8,11,14-pentaoxo-6-(ureidomethylene)-1,4,7,10,13-pentazacyclohexadec-15-yl]hexanamide; 3-[[(2R)-2,4-dihydroxy-3,3-dimethyl-bu