| prov:value
| - SATURATED QUATERNARIES These bis-quaternary compounds are in general of the formula lee ea RlTI-A-ITTR 2x where the Rs, which may be the same or different, are hydrocarbon groups such as alkyl, alkenyl, aryl, aralkyl, alkaryl, alkarylalkyl, cycloaliphatic, etc.; substituted derivaties thereof such as chloroalkyl, halophenyl, nitrophenyl, etc.; A is an alkylene radical; and X is a negative ion such
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