prov:value
| - Also suitable as ???C??? groups are ureidopyrimidone groups, including those of the general formulae wherein R1 and R2 each, independently of the other, is a hydrogen atom, an alkyl group (including linear, branched, cyclic, saturated, unsaturated, and substituted alkyl groups, and wherein hetero atoms, such as oxygen, sulfur, nitrogen, silicon, or the like, can be placed between the carbon atoms
|