Squamostatin-B (1), a new polyketide or acetogenin, has been isolated from Annona squamosa L. (Annonaceae). Its structure and relative atereochemistry were eluc
An Eastman-AQ/Ni(II)chemically modified electrode(CME)produced by“double coating steps”deposition of Eastman-AQ/Ni(II)film and Ni(II)-coating crystalline species onto
Some Schiff-base cobalt(Ⅱ)chelates like ethylenebis[(2-hydroxy-3-methoxy-5-methylphenyl)methylideneiminato]Cobalt(Ⅱ)were coordioatively anchoredonto poly(4-vi