ZYF zyf (9Z)-11-{hydroxy[(5S)-6-{[(1S)-3-{[(3S)-1-hydroxy-2-oxoazepan-3-yl]amino}-1-methyl-3-oxopropyl]oxy}-5-({[(4S)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-oxazol-4-yl]carbonyl}amino)-6-oxohexyl]amino}-11-oxoundec-9-enoic acid ZYF