共 7 条
[1]
BOSSERT F, 1970, Patent No. 2003148
[2]
CASSIDY F, 1990, J CHEM SOC CHEM COMM, P377
[3]
FREED ME, 1984, Patent No. 4446323
[4]
KLOCKNER U, 1989, ARZNEIMITTELFORSCH, V39-1, P120