Moehlau; Neubert Chemische Berichte, 1895 , vol. 28, p. 326 Full Text Show Details Ullmann; Frey Chemische Berichte, 1904 , vol. 37, p. 862 Full Text Show Details Bender Chemische Berichte, 1895 , vol. 28, p. 110 Full Text Show Details Moehlau; Fritzsche Chemische Berichte, 1893 , vol. 26, p. 1041