4-amino-3,5-dichloro-N-[(3S)-5-[2-[[(2S)-1,4-dioxopentan-2-yl]amino]-2-oxoethyl]-1-(2-hydroxyacetyl)-4-oxo-2,3-dihydro-1,5-benzodiazepin-3-yl]benzamide;N-[(3S)-1-[2-[[(2S)-1,4-dioxopentan-2-yl]amino]-2-oxoethyl]-7-fluoro-5-(2-methoxyacetyl)-2-oxo-3,4-dihydro-1,5-benzodiazepin-3-yl]isoquinoline-1-carboxamide;N-[(3S)-5-[2-[[(2S)-1,4-dioxopentan-2-yl]amino]-2-oxoethyl]-1-formyl-4-oxo-2,3-dihydro-1,5-benzodiazepin-3-yl]isoquinoline-1-carboxamide