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Dimethyl 2-(3-amino-4-oxo-4H-benzo[f]thieno[3,4-c]chromen-1-yl)fumarate

✍ Scribed by Döpp, Dietrich ;Sopbue Fondjo, Emmanuel ;Flörke, Ulrich ;Henkel, Gerald


Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
254 KB
Volume
62
Category
Article
ISSN
1600-5368

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## Abstract Four previously unknown polycyclic heterocyclic ring systems, namely, benzo[__h__]thieno[3′,2′:4,5]‐thieno[2,3‐__c__]quinoline (6), benzo[__h__]thieno[3′,2′:4,5]thieno[2,3‐__c__]quinoline (11), benzo[__f__]thieno‐[3′,2′:4,5]thieno[2,3‐__c__]tetrazolo[1,5‐__a__]quinoline (12) and benzo[_