http://www.w3.org/ns/prov#value | - Typical alkynyl groups include, but are not limited to, ethynyl; propynyls such as prop-1-yn-1-yl, prop-2-yn-1-yl, etc.; butynyls such as but-1-yn-1-yl, but-1-yn-3-yl, but-3-yn-1-yl, etc.; and the like. ???Alkoxy,??? by itself or as part of another substituent, refers to a radical of the formula ???OR, where R is an alkyl or cycloalkyl group as defined herein.
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