| http://www.w3.org/ns/prov#value | - In Formula [I], as the alkyl radical which may be allowed to have a substituent, R1 and R2 each represents an alkyl radical in the straight chain, branched chain or cyclic form and having from 1 to 20 carbon atoms, and examples of the alkyl radicals are methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, nonyl, undecyl, tridecyl, pentadecyl, heptadecyl, nonadecyl, isopentyl, tert-butyl, cyclohexy
|
