L Dalla Via, SM Magno, P Rodighiero, O Gia - Bioorganic & medicinal …, 2002 - Elsevier
4, 4′-dimethyl-thieno-8-azacoumarin (6) and 4, 4′, 5′-trimethyl-thieno-8-azacoumarin (8)
were synthesised. Their photobiological activity was tested on human tumour cell lines …