The molecule is a monothioketal formed from 5-chloro-1H-indole-2,3-dione. It has been studied for its anticonvulsant properties. It has a role as an anticonvulsant. It is a monothioketal and an oxathiolane.
5'-chlorospiro[1,3-oxathiolane-2,3'-1H-indole]-2'-one