| http://www.w3.org/ns/prov#value | - n atoms, straight chain heteroalkyls having from about 10 to 20 carbon atoms, and branched chain heteroalkyls having from about 10 to 20 carbon atoms, R4 is selected from the group consisting of alkyl groups having from 1 to about 5 carbon atoms, and X is a halogen atom; and a non-aggregating or mildly aggregating compound having a water solubility of less than 1% by weight at 20???, said quaterna
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