New spiro derivatives of penicillin
1981 ◽
Vol 22
(40)
◽
pp. 4025-4028
◽
2004 ◽
Vol 53
(6)
◽
pp. 1240-1247
◽
Keyword(s):
2003 ◽
Vol 2003
(1)
◽
pp. 47-53
◽
2011 ◽
Vol 46
(8)
◽
pp. 3210-3217
◽
Keyword(s):
1986 ◽
Vol 28
(1-2)
◽
pp. 277-288
◽
2009 ◽
Vol 45
(5)
◽
pp. 743-754
◽