3-[2-(2-bromoethyl)-3-oxobutyl]-1,8-dihydroxyanthracene-9,10-dione

3-[2-(dimethylamino)ethyl]oxolan-2-one

3-(2-morpholin-4-ylethyl)oxolan-2-one

3-(3-morpholin-4-ylpropyl)oxolan-2-one

3-(1-piperidin-1-ylethylidene)oxolan-2-one