benzyl N-[4-[4-[2-[bis(3-aminopropyl)amino]ethoxy]phenyl]butyl]carbamate;benzyl N-[4-[4-[2-[bis[3-[[(2S,9S)-2,9-dimethyl-8-oxotetradecanoyl]amino]propyl]amino]ethoxy]phenyl]butyl]carbamate;methyl (2S)-6-aminochloranuidyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]hexanoate;(2S)-6-[[(2S)-2-methylheptanoyl]amino]-2-[(2-methylpropan-2-yl)oxycarbonylamino]hexanoic acid;methyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-6-[[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]heptanoyl]amino]hexanoate;(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]heptanoic acid;sulfane