prov:value
| - Representative examples of such groups are C1-6 alkyl such as methyl, trifluoromethyl, ethyl, n-propyl, isopropyl, t-butyl; C2-6 alkenyl especially allyl, ??-butenyl; C2-6 alkynyl such as ethynyl and methylethynyl; loweraralkyl such as benzyl, p-methoxybenzyl, phenethyl; phenyl, p-aminophenyl; cyclopropyl, cyclopentyl and 4-hydroxycyclohexyl;
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