| http://www.w3.org/ns/prov#value | - up having 1-4 carbon atoms, alkoxy group having 1-4 carbon atoms or nitro group; each of R7 -R10 is independently selected from hydrogen, or alkyl group having 1-4 carbon atoms; and X is halogen; compounds represented by the formula ##STR3## wherein M is an alkali metal and mixtures thereof; (b) at least one alkaline substance selected from the group consisting of oxides or hydroxides of alkaline
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