Explanatory notes
… 12 ) (liquid). (2) The polycyclic cyclanes include : (a) Decahydronaphthalene (C 10 H 18 ), a colourless liquid used … ” structure such as pentacyclo [5.2.1.0 2,6 .0 3,9 .0 5,8 ] decane (C 10 H 12 ) from which the formula of dodecachloropentacyclo [5.2.1.0 2,6 .0 3,9 .0 5,8 ] decane is derived. (3) The cyclenes include : (a) …