共 7 条
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- [2] HANTZSCH, 1894, BER, V27, P799
- [3] HURD, 1923, J AM CHEM SOC, V45, P515
- [4] HURD, 1925, J AM CHEM SOC, V47, P67
- [5] OTT, 1922, BER, V55, P2126
- [6] OTT, 1914, BER, V47, P2391
- [7] WOHL, 1901, BER DTSCH CHEM GES, V34, P1144