| http://www.w3.org/ns/prov#value | - th the provisos that at least one R11 is a hydrogen atom or an unsaturated monovalent organic group, and each R11 is not an epoxy group or an alkoxy group, and each R12 is independently a fluoro-functional hydrocarbon group, in formulae (c) and (d), ?? is 0 to 10, each R13 is independently a divalent organic group, each R14 is independently a monovalent hydrocarbon group free of aliphatic unsatura
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