Containing -c(=x)-nh-x-halo, Wherein Substitution May Be Made For Hydrogen Only, And The X's May Be The Same Or Diverse Chalcogens Patents and Patent Applications (Class 562/881)

Containing -c(=x)-nh-x-halo, Wherein Substitution May Be Made For Hydrogen Only, And The X's May Be The Same Or Diverse Chalcogens Patents (Class 562/881)

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