摘要 |
Compound corresponding to the general formula (I)in which R1 represents a hydrogen atom, a (C1-C4)alkyl group or a phenyl(C1-C4)alkyl group, R2 represents a hydrogen atom or a (C1-C4) alkyl group, and R3, R4 and R5 each represent a hydrogen or halogen atom or a trifluoromethyl, cyano, hydroxyl, (C1-C6)alkyl or (C1-C6) alkoxy group.
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