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Rohm and Haas made a significant contribution to the development of modern insecticides by shifting from highly persistent and bioaccumulative chemicals to compounds with improved environmental profiles. During the mid-twentieth century, the company focused on organophosphate insecticides as alternatives to organochlorines such as DDT, which were associated with long environmental persistence and ecological damage. The organophosphates developed by Rohm and Haas were designed to _________ ___ _________ ___ ________ __________ ______ __________ _________.
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