Synthesis, characterisation and coordinating properties of a new pyrazole-derived thiosemicarbazone, a potential antiviral agent: Co(III), Ni(II) and Cu(II) complexes of neutral and deprotonated 5(3)-methylpyrazole-3(5)-aldehydothiosemicarbazoneNityananda Saha; Nibedita Mukherjee · 1984