| http://www.w3.org/ns/prov#value | - Among the compounds of formula II, the invention is particularly embodied by the compounds wherein R5=H, Y???O or S, Z is a NRaRb group, corresponding to the [3-(oxazol-2-ylamino)-phenyl]-urea or the [3-(oxazol-2-ylamino)-phenyl]-thiourea family and the following formula II-1:
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