prov:value
| - wherein Alkyleneoxy constituent is selected from the group consisting of C2-20 alkyleneoxy, R??? is selected from the group consisting of hydrogen, C1-20 alkoxy, C1-20 alkyl, and C1-20 esters; wherein if B is N, then Z is 2, and if B is other than N, then Z is 1; X and Y are the same or different and are selected from the group consisting of hydrogen, cyano, C(O)OR, C(O)R, C1-20alkyl, and C1-20 al
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