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. Biochemie der pflanzen. Plant physiology. § 12. Die übrigen Pflanzensäuren. 431 Crassulaceenapfelsäure: COOH 1-Apfelsäure. COOH COOH. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Czapek, Friedrich, 1868-1921. Jena, G. Fischer
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