| http://www.w3.org/ns/prov#value | - A keto-substituted dithiacycloparaflin of seven to nine annular atoms having the formula wherein n is an integer of at least 2 and not greater than 4,. a. free valence of one of the annular carbon atoms is satisfied by an alkyl radical ofup to 14 carbon atoms and the remaining free valences of the annularcarbon atoms are satisfied by hydrogen, 5.
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