共 6 条
[2]
DAVISON A, 1987, Patent No. 4673562
[3]
KEMP DS, 1988, INT J PEPT PROT RES, V31, P359
[4]
KURSANOV DN, 1974, SYNTHESIS-STUTTGART, P633
[6]
LUNDT BF, 1978, INT J PEPT PROT RES, V12, P258