| 摘要 |
2100273 9212153 PCTABS00014 Disclosed herein are novel benzopyrans of formula (I) having pharmacological activity, to a process for preparing them, to pharmaceutical compositions containing them, and to their use in the treatment of hypertension. In formula (I), R3 is selected from the group consisting of (a), (b), (c), (d), (e), (f) and (g).
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