| 摘要 |
Compounds of the formula WHEREIN R1 is hydrogen or methyl, R2 is methyl, methoxy, ethoxy or chlorine and, if R1 is methyl, additionally hydrogen, and M IS A WHOLE NUMBER FROM 0 TO 10, INCLUSIVE, AND THEIR NON-TOXIC, PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS, USEFUL AS BRONCHIAL AND UTERINE SPASMOLYTICS, ANTIPRURITICS, VASODILATORS AND ANTIALLERGICS IN WARM-BLOODED ANIMALS. |
