1: 44 percent / HNO3; H2SO4 / 72 h / 20 °C 2: 92 percent / Na2S2O4 / aq. ethanol / 4 h / Heating 3: 31 percent / Cu / 552 h / 230 °C View Scheme
参考文献
Waller, Stephen C.; He, You Ai; Harlow, Greg R.; He, You Qun; Mash, Eugene A.; Halpert, James R.
Chemical Research in Toxicology, 1999 , vol. 12, # 8 p. 690 - 699