| prov:value
| - Examples of the organic group of a valence of k denoted by the symbol of R34 include alkyl groups such as methyl group, ethyl group, propyl group, butyl group, pentyl group, octyl group, hexadecyl group, methoxyethyl group, chloromethyl group, 1,2-dibromomethyl group, 2-chloroethyl group, benzyl group, and phenethyl group, alkenyl groups such as allyl group, propenyl group, and butenyl group, poly
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