Brdicka Collection of Czechoslovak Chemical Communications, 1949 , vol. 14, p. 130,133 Full Text Show Details Kuhn et al. Chemische Berichte, 1933 , vol. 66, p. 1950,1956 Full Text Show Details Fukumachi; Sukurai Vitamins JapanChem.Abstr., 1954 , vol. 7, p. 939,1014 Vitamins JapanChem.Abstr., 1957 , p. 18026 Full Text Show Details Svobodova et al. Chemicke Listy, 1953 , vol. 47, p. 205 Chem.Abstr., 1954 , p. 3405 Full Text Show Details Kocent Chemicke Listy, 1953 , vol. 47, p. 195 Chem.Abstr., 1954 , p. 3404 Full Text Show Details Smith; Metzler Journal of the American Chemical Society, 1963 , vol. 85, p. 3285 Full Text View citing articles Show Details Karrer; Schoepp Helvetica Chimica Acta, 1934 , vol. 17, p. 1557 Full Text Show Details Kuhn; Rudy Chemische Berichte, 1934 , vol. 67, p. 1936,1939 Chemische Berichte, 1935 , vol. 68, p. 169 Full Text Show Details Moore et al. Journal of the American Chemical Society, 1963 , vol. 85, p. 3367,3368