Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Boulton, A. John","Six-membered rings, with two or more heteroatoms and fused carbocyclic derivatives",,Pergamon,1996,"Comprehensive heterocyclic chemistry II : a review of the literature, 1982-1995 : the structure, reactions, synthesis, and uses of heterocyclic compounds",,0080427294,,https://cir.nii.ac.jp/crid/1130282271332040576