prov:value
| - Analogously, the term ???C1-6-alkyl??? means a linear, cyclic or branched hydrocarbon group having 1 to 6 carbon atoms, such as methyl, ethyl, propyl, iso-propyl, pentyl, cyclopentyl, hexyl, cyclohexyl, and the term ???C1-4-alkyl??? is intended to cover linear, cyclic or branched hydrocarbon groups having 1 to 4 carbon atoms, e.g. methyl, ethyl, propyl, isopropyl, cyclopropyl, butyl, iso-butyl, te
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