Cite

    Fei Gao et al.. “Synthesis of carbonylated heteroaromatic compounds via visible-light-driven intramolecular decarboxylative cyclization of o-alkynylated carboxylic acids.” Chemical communications, vol. 53, no. 61, 2017, pp. 8533–8536. http://access.bl.uk/ark:/81055/vdc_100047914342.0x00002f