参考文献

Howton Journal of Organic Chemistry, 1945 , vol. 10, p. 277,278 Full Text Show Details Morsch Monatshefte fuer Chemie, 1933 , vol. 63, p. 224,230,234 Full Text Show Details Hromatka; Eiles Monatshefte fuer Chemie, 1948 , vol. 78, p. 129,135