Appeal No. 1997-3040
Application No. 08/477,729
m, n, p, q and t are each zero, one or two;
W and Z are each O, S or NR ; 11
1 2
W and W
are each O, S
or NR10
prov ided that
when one of W1
and W is O,2
S or NR , the10 other is O or S;
3 6 10 14 17
R , R , R , R and R are
each (C - C )alkyl or phenyl;
1 6
5 8 11 15 19
R , R , R , R and R are each H,
(C -C )alkyl or1 6 phenyl; R , R , R ,4 7 9
R and R are13 18 each H or (C - 1
C )alkyl; and R is H, F, Cl, Br, CF or (C -C )alkyl; provided12
6 3 1 6
that when Q is1
-4-
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Last modified: November 3, 2007