Return to Article Details Synthesis of furano[2,3-c] /pyrrolo[2,3-c]coumarins and synthesis of 1(H)-[1]benzopyrano[3,4-b][1]benzopyrano[3’,4’-d] furan-7(H)-ones /1(H)-[1]benzopyrano[3,4-b][1]benzopyrano [3’,4’-d]pyrrole-7(H)-ones Download Download PDF