Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BEAN MF,Cucurbitacin B and isocucurbitacin B : cytotoxic components of Helicteres isora,J Nat Prod,,,1985,48,,500,https://cir.nii.ac.jp/crid/1574231875996682368,