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7,8-Di­hydroxy-3-methyl-10-oxo-1H,10H-pyrano­[4,3-b]­chromene-9-carboxyl­ic acid

✍ Scribed by Wang, Jian-Feng ;Zhang, Yong-Jie ;Fang, Mei-Juan ;Huang, Yao-Jian ;Wei, Zan-Bin ;Zheng, Zhong-Hui ;Su, Wen-Jin ;Zhao, Yu-Fen

Publisher
International Union of Crystallography
Year
2003
Tongue
English
Weight
209 KB
Volume
59
Category
Article
ISSN
1600-5368

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✦ Synopsis

Single-crystal X-ray study T = 296 K Mean '(C±C) = 0.002 A Ê R factor = 0.037 wR factor = 0.119 Data-to-parameter ratio = 13.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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