共 10 条
[2]
BACKVALL JE, 1988, J ORG CHEM, V53, P2398
[6]
KANG SK, 1990, SYNLETT, P591
[7]
MAKAIYAMA T, 1990, TETRAHEDRON, V46, P265
[8]
SUEMUNE H, 1988, CHEM PHARM BULL, V36, P3632