1: 90 percent / benzene / 24 h / Heating 2: 90 percent / various solvent(s) / 12 h / Heating View Scheme
参考文献
Barr, John J.; Storr, Richard C.; Tandon, Vishnu K.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 1147 - 1149
