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21.
公开(公告)号:US2411969A
公开(公告)日:1946-12-03
申请号:US40655541
申请日:1941-08-12
Applicant: HOFFMANN LA ROCHE
Inventor: PAUL KARRER , OTTO ISLER
IPC: C07D311/72
CPC classification number: C07D311/72
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公开(公告)号:US2411968A
公开(公告)日:1946-12-03
申请号:US40655441
申请日:1941-08-12
Applicant: HOFFMANN LA ROCHE
Inventor: PAUL KARRER , OTTO ISLER
IPC: C07D311/72
CPC classification number: C07D311/72
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23.Derivatives of 3, 4-dihydroxy-thiophan and process for the manufacture of same 失效
Title translation: 3,4-二羟基 - 硫代的衍生物及其制备方法公开(公告)号:US2410948A
公开(公告)日:1946-11-12
申请号:US55144244
申请日:1944-08-26
Applicant: HOFFMANN LA ROCHE
Inventor: PAUL KARRER
IPC: C07D333/32
CPC classification number: C07D333/32
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