prov:value
| - Olefinically-unsaturated acids of this broad class includes such widely divergent materials as the acrylic acids such as acrylic acid itself, methacrylic acid, ethacrylic acid, alpha-chloro acrylic acid, alpha-cyano acrylic acid, and others, crotonic acid, beta-acryloxy propionic acid, hydrosorbic acid, sorbic acid, alpha-chloro sorbic acid, cinnamic acid, beta-styryl acrylic acid (l-carboxy-4- ph
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