Compounds of the formula ##STR1## wherein Z is hydroxymethylene, esterified hydroxymethylene, carbonyl, or ketal-, thioketal- or hemithioketal- protected carbonyl, and the pharmaceutically acceptable acid addition salts thereof, are useful as anticonvulsant and anti-secretory agents.
式##STR1##中的化合物,其中Z是羟甲基,酯化羟甲基,酮基,或者是保护的卡巴醇基、
硫代卡巴醇基或半
硫代卡巴醇基的卡巴醇基,以及其药用酸盐,可用作抗癫痫和抗分泌药物。