[1]JournalofBiologicalChemistry,1952,vol.194,p.729,734
[2]Patent:US1938902,1931,
[1]ZhurnalObshcheiKhimii,1959,vol.29,p.2012,2013;engl.Ausg.S.1981,1982
[2]ZhurnalObshcheiKhimii,1959,vol.29,p.2012,2013;engl.Ausg.S.1981,1982
[1]YukiGoseiKagakuKyokaishi,1954,vol.12,p.189 Chem.Abstr.,1957,p.1884
[1]Patent:US1938902,1931,
[1]Patent:FR1384209,1965, Chem.Abstr.,1965,vol.63