prov:value
| - R1 is methyl, R2 is ethyl, R3 and R5 are each independently a hydrogen atom, halo, methyl, nitro, cyano, ???NR6R7, ???CR8???NOR9 or ???NHCOOR10, provided that both R3 and R5 are not a hydrogen atom, R4 is a hydrogen atom, halo, ???NR6R7, cyano, ???CR8???NOR9, ???NHCOOR10, ???COOR13 or (C1-C4)alkyl, R6, R7, R8, R9, R10 and R13 are each independently a hydrogen atom or methyl, X is chloro, and Y is
|