237758-28-0
2,6-dihydroxy-pyridine-3,5-dicarboxylic acid diethyl ester
74497-02-2
621-10-3
N,N'-二(苯基)丙二酰胺

参考文献

Guthzeit; Baud Justus Liebigs Annalen der Chemie, 1895 , vol. 285, p. 147

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