Novel indan compounds of the formula ##STR1## wherein A and X are each ethylene or vinylene; B is C.sub.2-4 alkylene; R and R.sub.2 are each hydrogen or C.sub.1-4 alkyl; R.sub.1 is C.sub.1-8 alkyl; <C = Z is <C = O, or ##STR2## and its non-toxic salts, which are useful as antiulcers, gastric secretion inhibitors, and hypotensors.
新的印度化合物的
化学式为##
STR1## 其中A和X分别为
乙烯或
乙烯基;B为C.sub.2-4烷基;R和R.sub.2分别为
氢或C.sub.1-4烷基;R.sub.1为C.sub.1-8烷基;<C = Z为<C = O,或者##
STR2## 及其无毒盐,可用作抗溃疡药、胃分泌
抑制剂和降压剂。