prov:value
| - The benzene ring of the phenylureide group may have a substituent and examples of the substituent include a hydroxyl group; a halogen atom such as a fluorine atom, chlorine atom, bromine atom, or iodine atom; a C1-C6 alkyl group such as a methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, t-butyl group, n-pentyl group, isopentyl group, neopentyl group, t-pe
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