000
00312nam a2200121Ia 4500
008
251112s9999||||xx |||||||||||||| ||und||
040
_a
CNCLSA
245
0
_a
Journal of Medicinal Chemistry
260
_c
July, 1981
_b
The National Cancer Institute
_a
U.S.A
300
_a
P. 1-1038
300
_b
V. 68
942
_c
JRBV
999
_c
20979
_d
20979