Synthesis and Characterization of 4-amino-N-[(1E)-1-(2-hydroxy-6-methyl-4-oxo-4H-pyran-3-yl)ethylidene]benzohydrazide and its Cu(II), Ni(II), Zn(II) and Mn(II) Complexes

Anarado Chigozie John Onyinye , Iziga Chinasa Grace , Ibeji Collins Ugochukwu , BABAHAN BİRCAN İLKNUR , ÇOBAN BURAK , CÖMERT FÜSUN , Anaradovv Charity Ebere