著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) MURATA MASATSUNE and TANAKA HARUO and OMURA SATOSHI,"7-Hydro-8-methylpteroylglutamylglutamic acid, a new anti-folate from an actinomycete. Fermentation, isolation, structure and biological activity.",The Journal of Antibiotics,0021-8820,公益財団法人 日本感染症医薬品協会,1987,40,3,251-257,https://cir.nii.ac.jp/crid/1390282679126363392,https://doi.org/10.7164/antibiotics.40.251