C07D 491/12

In which the condensed system contains three hetero rings

Official title: in which the condensed system contains three hetero rings

C07D491/12 (In which the condensed system contains three hetero rings) appears on 1,394 US grants and 1,734 published applications in this corpus.

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5,658
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29 Sep 2026

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C07D 491/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197770
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198190
198240
198370
198480
198570
198670
1987100
198880
198970
199060
199170
1992150
1993140
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1995130
1996250
1997170
1998110
1999100
2000170
2001182
20022119
20032126
20041342
20051841
20062541
20072538
20082447
20092556
20103162
20113470
20123766
20135359
20145283
20156175
20166592
20178095
20187481
20197276
202069106
20216278
20225793
202352116
20245894
20256199
20263977

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