发明授权
US4806538A Piperazine compound as PAF-antagonist 失效
哌嗪化合物作为PAF拮抗剂

Piperazine compound as PAF-antagonist
摘要:
The invention relates to a PAF-antagonist pharmaceutical composition comprising a compound of the formula: ##STR1## wherein R.sup.1 is pyridyl(lower)alkyl or thiazolyl(lower)alkyl,R.sup.2 is N-lower alkylindolyl(lower)alkyl which may have lower alkyl or halogen on the indole ring, andR.sup.3 and R.sup.4 are each hydrogen or lower alkyl; or pharmaceutically acceptable salt thereof.
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