1,3,8,10-tetraoxacyclotetradecane-2,9-dione

4-hydroxybenzo[g]chromen-2-one

ethyl 2-(5-bromo-1,3-benzothiazol-2-yl)acetate

4-hydroxy-6,8-di(propan-2-yl)chromen-2-one

diethyl 2-thiophen-2-ylpropanedioate