prov:value
| - ther miscellaneous groups including COX, CON3, CON??1??2, CON??1CO??2, C(=N??1)N??1??2, CHO, CHS, CN, NC, and X. [0046] ??1, ??2, ??3, and ??4 may be straight, branched or mono- or polycyclic aliphatic, mono or polyunsaturated alkyl, aryl, heteroalkyl, heteroaliphatic or heteroolefinic moiety comprising 3 to 150 carbon atoms together with 0-50 heteroatoms, especially 0, N, S, P. [0047] X is F, Cl,
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