Compounds of the formula ##STR1## wherein R is H or C.sub.1-5 straight or branched chain alkyl; R.sub.1 is H, C.sub.1-10 straight or branched chain alkyl, allyl or phenyl; and R.sub.2 is phenyl or phenyl substituted with F, Cl, C.sub.1-5 straight or branched chain alkyl, di-F, di-Cl or di-Br; and the pharmaceutically acceptable acid addition salts thereof; are useful as muscle relaxants, anticonvulsants and analgesics.
化合物的公式为 ##STR1## 其中 R 为 H 或 C.sub.1-5 直链或支链烷基;R.sub.1 为 H,C.sub.1-10 直链或支链烷基,烯丙基或苯基;R.sub.2 为苯基或被 F、Cl、C.sub.1-5 直链或支链烷基、二
氟、二
氯或二
溴取代的苯基;以及其药学上可接受的酸加盐;用作肌肉松弛剂、抗癫痫药和
镇痛药。