Patent ID: 8563548

Claim:
A compound of general formula (I): in their (E) or (Z) isomer forms, pure or in mixture, wherein R3 represents hydrogen, R 1 and R 2 , are identical and represent a phenyl radical substituted by one or more of the following radicals (C 1-5 ) alkyl, (C 1-4 ) alkoxy, hydroxy, methylthio, halogen, or an amino group optionally substituted by a (C 1-4 ) alkyl or (C 1-4 ) alkoxycarbonyl radical, a thiophenyl radical, a thionaphthenyl radical, a thiazolyl radical, a pyridinyl radical, a benzomorpholinyl radical, or a naphthyl radical and with the proviso that R 1 and R 2 do not simultaneously represent a paramethoxyphenyl radical.