prov:value
| - Preferred as R7 or R10, is a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carbamoyl group, an alkyl group which may be substituted, an alkenyl group which may be substituted, an alkoxy group which may be substituted or an alkylcarbamoyl group which may be substituted, more preferred is a hydrogen atom, an alkyl group which may be substituted, an alkenyl group which may be substit
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