4-Aminopicolinic acids having tri- and tetra-substituted aryl substituents in the 6-position, and their amine and acid derivatives, are potent herbicides demonstrating a broad spectrum of weed control.

 
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< Rectificative separation of an acrylic acid-containing liquid

> Supported catalyst for the selective hydrogenation of alkynes and dienes

> Anti-reflective coatings and dual damascene fill compositions comprising styrene-allyl alcohol copolymers

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