参考文献
Niemann; Link
Journal of Biological Chemistry, 1934 , vol. 104, p. 195,197
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Schier; Waldmann
Monatshefte fuer Chemie, 1957 , vol. 88, p. 847,855
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Ehrlich; Guttmann
Chemische Berichte, 1934 , vol. 67, p. 573,586