| pubmed-article:609046 | pubmed:articleTitle | [Studies on pyrazolo [3,4-d] pyrimidine derivatives. VIII. On syntheses and anti-tumor activity of 4-amino-1-(o-, m- or p-nitrophenyl) -1H-pyrazolo[3,4-d] pyrimidines and their derivatives (author's transl)]. | lld:pubmed |
