Chemistry of lichen constituents—VII: Ma
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R. M. Letcher
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Article
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1968
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John Wiley and Sons
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English
⚖ 426 KB
The mass spectra of three methoxypulvic dilactones, four methyl esters of methoxypulvic acids and five methyl ethers of pulvic acid derivatives have been measured and rationalised empIoying accurate mass measurements and metastable peak assignments to substantiate the proposed fragmentations and rea