3-(1,3-dioxoisoindol-2-yl)-N-[2-[2-[3-(1,3-dioxoisoindol-2-yl)propanoylamino]ethyldisulfanyl]ethyl]propanamide

5-(1,3-dioxoisoindol-2-yl)pent-2-enoic acid

2-[2-(1,3-benzoxazol-2-yl)ethyl]isoindole-1,3-dione

methyl 3-(1,3-dioxoisoindol-2-yl)propanoate