参考文献

Givaudan-Delawanna Inc. Patent: US1927053 , 1930 ; Full Text Show Details Schering-Kahlbaum A.G. Patent: CH157032 , 1931 ; Full Text Show Details Lurje; Golowatschewa Zhurnal Obshchei Khimii, 1943 , vol. 13, p. 189,191 Chem.Abstr., 1944 , p. 1484