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公开(公告)号：US3487083A
公开(公告)日：1969-12-30
申请号：US3487083D
申请日：1967-07-06
Applicant: BURROUGHS WELLCOME CO
Inventor： CRESSWELL RONALD M , SCHNAPPER MELVIN
IPC: A61K31/505 , C07C255/30 , C07D231/38 , C07D487/04 , C07D51/42 , A61K27/00 , C07D49/18
CPC classification number: C07D231/38 , C07C255/00
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