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发明名称
COMPOSES ORGANIQUES DERIVANT DE PYRIDYLBENZOPYRANNES, COMPOSES INTERMEDIAIRES ET PROCEDES POUR LES
摘要
申请公布号
BE757454(A4)
申请公布日期
1971.04.13
申请号
BED757454
申请日期
申请人
BEECHAM GROUP LTD., BEECHAM HOUSE, GREAT WEST ROAD, BRENTFORD,MIDDLESEX (GR.-BR.),
发明人
分类号
C07D405/04;(IPC1-7):C07D/
主分类号
C07D405/04
代理机构
代理人
主权项
地址
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