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Cremanthodium latilobum sp. nov. and C. medogense sp. nov. (Asteraceae) from Chinese eastern Himalaya
Cremanthodium latilobum Y. S. Chen and C. medogense Y. S. Chen, two new species from Chinese eastern Himalaya are described and illustrated. A diagnostic key to the species of Cremanthodium sectionExpand
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Structure, reactivity, and application of some triketone derivatives
Abstract The major tautomer of several triketone derivatives in organic and aqueous solutions has been determined. Their solvent- and base-sensitive properties have been applied in the design of aExpand
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Five novel prenylated xanthones from Resina Garciniae
Fourteen prenylated xanthone derivatives were isolated from gamboge, the dry latex of Garcinia hanburyi, and their structures were elucidated by a detailed spectroscopic analysis. Five of them,Expand
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Enzyme inhibition potency enhancement by active site metal chelating and hydrogen bonding induced conformation-restricted cyclopropanecarbonyl derivatives.
Two cyclopropanecarbonyl derivatives were independently found to be 15 and 14 times more potent than the corresponding isopropylcarbonyl analogues as inhibitors of 4-hydroxyphenylpyruvate dioxygenaseExpand
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Novel oxazabicycles as a new class of photochromic colorants.
A new photochromic colorant with an oxazabicyclic moiety has been synthesized by an efficient method. It turns pale red upon UV irradiation and undergoes reverse reaction while being heated. ThisExpand
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Acer yangbiense (Aceraceae), a New Species from Yunnan, China
Acer yangbiense Y. S. Chen & Q. E. Yang, a new species from Yangbi County, Yunnan Province, is described and illustrated. This species is similar to Acer leipoense Fang & Soong from western SichuanExpand
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Twenty-six new species of Saussurea (Asteraceae, Cardueae) from the Qinghai-Tibetan Plateau and adjacent regions
Twenty-six new species of Saussurea (Asteraceae, Cardueae) from the Qinghai-Tibetan Plateau and adjacent regions are described and illustrated. Our molecular phylogenetic analysis based on theExpand
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(2-Methyl-3-nitrophenyl)methanol
TLDR
The asymmetric unit of the title compound, C8H9NO3, contains two crystallographically independent molecules, whose aromatic rings are oriented at a dihedral angle of 83.29 (3)°. Expand
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2-Amino-6-nitro-1H-benzoimidazol-3-ium chloride
TLDR
In the cation of the title compound, C7H7N4O2 +·Cl−, the benzimidazole ring system is planar with a maximum deviation of −0.019 (3) Å. Expand
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2-Methyl-3-nitrobenzyl cyanide
TLDR
The title compound, C9H8N2O, was prepared from o-xylene by nitration, oxidation, hydrolysis, reduction, chlorination and cyanation. Expand
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