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1.Process of preparing nitro-3-hydroxy-thiophene-2-carboxylic acid esters 失效
Title translation: 制备硝基-3-羟基 - 噻吩-2-羧酸酯的方法公开(公告)号:US3093657A
公开(公告)日:1963-06-11
申请号:US8216561
申请日:1961-01-12
Applicant: HOECHST AG
Inventor: MANFRED SCHORR , HANS FIESSELMANN
IPC: C07D333/44
CPC classification number: C07D333/44
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2.
公开(公告)号:US3062834A
公开(公告)日:1962-11-06
申请号:US80514459
申请日:1959-04-09
Applicant: HOECHST AG
Inventor: HANS FIESSELMANN
IPC: C07D333/38
CPC classification number: C07C323/00
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