| http://www.w3.org/ns/prov#value | - an integer in the range of 1 to about 8 and R4 is any straight- or branched-chain alkyl constituent having from 1 to about 8 carbon atoms; and ???(CH2)n???N+(CH3)3 X???, wherein n is an integer in the range of 1 to about 8 and X is a member selected from the group consisting of Cl???, Br???, I???, ClO4 ??? and BF4 ???;
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