N-[(2S)-1-(11-aminoundecylamino)-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]butanamide
N-[(1S)-2-(11-aminoundecylamino)-1-[(4-hydroxyphenyl)methyl]-2-oxo-ethyl]butanamide
N-[(1S)-2-(11-aminoundecylamino)-1-[(4-hydroxyphenyl)methyl]-2-oxoethyl]butanamide
N-[(1S)-2-(11-aminoundecylamino)-1-(4-hydroxybenzyl)-2-keto-ethyl]butyramide
N-[(2S)-1-(11-aminoundecylamino)-3-(4-hydroxyphenyl)-1-oxo-propan-2-yl]butanamide