Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ishiguro Takeo and Kitamura Eiichi and Kubota Seiju and Tabata Nobuo,Studies on the Condensation of Acetylene with Ammonia. II,YAKUGAKU ZASSHI,0031-6903,The Pharmaceutical Society of Japan,1952,72,5,607-610,https://cir.nii.ac.jp/crid/1390282681130993280,https://doi.org/10.1248/yakushi1947.72.5_607