CPC A62D 1/0071 (2013.01) [A62C 5/022 (2013.01); C07F 7/0889 (2013.01)] | 17 Claims |
1. A compound having the formula:
![]() wherein n is 2 or 3;
wherein R is a C3-C9 alkylene group;
wherein X is —O— or —N(COCH3)—; and
wherein c is a positive integer.
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