prov:value
| - ch of B, D, E, G, and Z having been defined above; R8 is Re; R9 is ???O??? or a bond; R10 is ???Rd or ???Re; each of which having been defined above; x is 0, and y is 0 or 1; and p is 2-30; provided that when y is 0, R4 is ???O, and R9 is a bond, and R10 is ???Rd; that when x is 1, R1 and R2 join together to form C6-40 aryl, and R7 is ???O???Re; and that when y is 1, R4 and R5 join together to for
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