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US4870186A Tetrazole intermediates to antihypertensive compounds 失效
四唑中间体用于抗高血压化合物

Tetrazole intermediates to antihypertensive compounds
摘要:
Tetrazole intermediates useful to prepare antihypertensive compounds described in coassigned application U.S. Ser. No. 884,920, filed July 11, 1986, are described, these tetrazoles have the formula: ##STR1## wherein X.sup.1 and X.sup.2 are as described in the specification.
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