prov:value
| - ed formula wherein: [0050] R1, X, Y, R, W, Z, n, m, j, k, and R5-R9 are the same as noted above; [0051] R2 is a member selected from the group consisting of formulae (a)-(jj) [0052] R3 is hydrogen, or C1-8 alkyl; and [0053] R4 is hydrogen, or C1-8 alkyl. [0054] Even more preferred are compounds of the above formula, wherein X, Y, W, Z, n, m, j, k, and R9 are as noted above; [0055] R1 is C2-8 alkyl
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