共 13 条
[1]
ERLENMEYER E, 1936, HELV CHIM ACTA, V19, P354
[6]
HUCKEL W, 1934, THEORETISCHE GRUNDLA, V1, P386
[7]
HUCKEL W, 1937, Z EL CH, V43, P752
[9]
MAIERBODE H, 1934, PYRIDIN DERIVATE, P32
[10]
MEYERJACOBSON, 1923, LEHRBUCH ORG CHEM, V3, P13