The reaction of [Mo(NO)Tp*Cl2] [Tp* = tris(3. 5-dimethyl-pyrazolyl)borate] with copper(II) Schiff base complexes derived by condensation of two mole equivalents of 2. 4-dihydroxybenzaldehyde with a diamine [1. 2-C6H4(NH2)2. https://megavitamines.shop/product-category/biotin/