prov:value
| - l, C5 -C12 cycloalkyl, C7 -C15 phenylalkyl, C6 -C10 aryl, C6 -C10 aryl which is substituted by one or two C1 -C4 alkyl groups, or 1,1,2,2-tetrahydroperfluoro-C6 -C16 alkyl; under the condition that, if i is one, at least one of the radicals R2, R3 and R5 is other than H. 2.
|