3-methyl-hept-2-en-5-yne

octamethyl-(1rH,2cH,5cH,6cH)-tricyclo[4.2.0.02,5]octa-3,7-diene

(1-methylborinato)(tetramethylcyclobutadiene)cobalt

Co2(1-methylborinato)2(μ-tetramethylcyclobutadiene)

(tetramethylcyclobutadiene)(1-phenylborinato)cobalt