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US5538990A Benzimidazole anthelmintics 失效
苯并咪唑驱蚊剂

Benzimidazole anthelmintics
摘要:
This invention is directed to anthelmintic benzimidazole compounds of the formula (I), ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.6 alkylthio; R.sup.2 is C.sub.1 -C.sub.4 alkyl; and R.sup.3 is C.sub.1 -C.sub.4 alkyl.
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