Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Imai Yoshio and Koga Hiroshi and Takizawa Shinichi,The Reaction of o-Aminobenzenesulfonamide with Phthalic Anhydride,NIPPON KAGAKU KAISHI,0369-4577,The Chemical Society of Japan,1973-08-10,1973,8,1515-1519,https://cir.nii.ac.jp/crid/1390282679395245824,https://doi.org/10.1246/nikkashi.1973.1515