Interference No. 104,522 Paper108
Nichols v. Tabakoff Page 4
6. Nichols compound claim 1 reads:
A compound of the formula:
0
11
H RI
N N
R2
OR3
X3 X4
wherein
R, is selected from the group consisting of hydrogen, ethyl, methyl, n-butyl, or
phenyl,
R2 is selected from the group consisting of hydrogen, ethyl, methyl, n-butyl,
phenyl, or 3-methoxyphenyl;
R3 is selected from the group consisting of ethyl, methyl, or hydrogen;
X, is selected from the group consisting of hydrogen, fluoro, chloro, bromo, iodo,
nitro, cyano, fluoromethyl, any branched or straight-chained alkyl group containing from
I to 4 carbon atoms, any branched or straight-chained alkoxy carbonyl group containing
from 1 to 4 carbon atoms, any branched or straight-chained alkoxy carbonyl group
containing from 1 to 4 carbon atoms, or any branched or straight-chained acyl group
containing from 1 to 4 carbon atoms;
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