prov:value
| - These rings may be substituted with, for example, halogen atoms such as chlorine, bromine and iodine atoms, alkyl groups having 1 to 6 carbon atoms, alkoxy groups, alkoxycarbonyl groups, alkoxysulfonyl groups such as methoxysulfonyl and ethoxysulfonyl groups, cyano group, amino group, dimethylamino groups and nitro group.
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