Synonyms: Estra-1,3,5(10)-triene-3,16,17-triol,16,17-bis(hydrogen butanedioate), (16a,17b)- (9CI); Estriol, 16,17-bis(hydrogen succinate) (7CI,8CI); Succinic acid,16,17-diester with estriol (8CI); Estriol 16,17-dihemisuccinate; Estriolsuccinate; Stiptanon