共 81 条
[31]
ISAEV SD, 1974, J ORG CHEM USSR, V10, P1338
[34]
JACKSON JE, IN PRESS ADV CHEM AP
[38]
KELLOG RE, 1965, J AM CHEM SOC, V87, P4320
[40]
KRAMER KAW, 1962, TETRAHEDRON LETT, P1095