6-substituted purinyl piperazine derivatives and a method of synthesis for the derivatives are described. The 6-substituted purinyl piperazine derivatives are useful as cardiotonic agents and antiarrhythmic agents.
4-Substituted pyrazolo[3,4-d]pyrimidine derivatives and a method of synthesis for the derivatives are described. The 4-substituted pyrazolopyrimidine derivatives are useful as cardiotonic agents and antiarrhythmic agents.
6-Substituted purinyl piperazine derivatives useful as cardiotonic and
申请人:Ortho Pharmaceutical Corporation
公开号:US04876257A1
公开(公告)日:1989-10-24
6-Substituted purinyl piperazine derivatives and a method of synthesis for the derivatives are described. The 6-substituted purinyl piperazine derivatives are useful as cardiotonic agents and antiarrhythmic agents.
A new and distinct cultivar of
Rhododendron
plant named ‘NCRX9’ is disclosed, characterized by a compact habit, and pink flowers in spring that rebloom in early fall. The new cultivar is a
Rhododendron
, suitable for ornamental garden purposes.
4-Substituted pyrazolo [3,4-d] pyrimidinyl piperazine derivatives and a method of synthesis for the derivatives are described. The compounds are useful as cardiotonic agents and antiarrhythmic agents.