5-(3-Chlorophenyl)-6,8-dioxa-3-azabicyclo(3.2.1)octane (Z)-2-butenedioate (1:1) 6,8-Dioxa-3-azabicyclo(3.2.1)octane, 5-(3-chlorophenyl)-, (Z)-2-butenedioate (1:1) 84508-98-5