{"version":"1.0","type":"link","title":"Propellane - Newikis","description":"In organic chemistry, propellane is any member of a class of polycyclic hydrocarbons, whose carbon skeleton consists of three rings of carbon atoms sharing a common carbon–carbon covalent bond. The concept was introduced in 1966 by D. Ginsburg. Propellanes with small cycles are highly strained and…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}