申请人:——
公开号:US04910203A1
公开(公告)日:1990-03-20
Pteridine compounds, useful as diuretics, of the formula ##STR1## wherein R.sub.1 and R.sub.2 taken alone are, independently of each other, hydrogen, alkyl having from 1 to 6 carbon atoms, or benzyl, or wherein R.sub.1 and R.sub.2, taken together with the nitrogen atom to which they are bound, form a five- or six-membered heterocyclic ring system or such a ring containing one or two further hetero atoms, or wherein R.sub.1 and R.sub.2 together with the nitrogen are ##STR2##
吡嘧啶类化合物作为利尿剂有用,化学式为##STR1##其中R.sub.1和R.sub.2单独取时,独立地为氢、含有1至6个碳原子的烷基或苄基,或者R.sub.1和R.sub.2与它们结合的氮原子一起形成一个五元或六元杂环环系统,或者这样的一个环含有一个或两个进一步的杂原子,或者R.sub.1和R.sub.2与氮一起为##STR2##