The bidentate 1. 3. 4-thiadiazole ligand substituted by two 2-pyridyl rings (denoted L) has been found to produce the new monomeric title complex. [Co(C12H8N4S)2(H2O)2](BF4)2. https://www.ngetikin.com/amazing-find-Bolia-Loop-Rug-limited-choice/