| prov:value
| - R37 to R48 in the general formula (XI) indicate each independently a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, t-butyl group, isopentyl group, t-pentyl group, neopentyl group, n-hexyl group, isohexyl group and the like.
|