English 3,9-Diethylidene-2,4,8,10-tetraoxaspiro(5.5)undecane Cited by user EdChem on 23 Jun 2017 3,9-Diethylidene-2,4,8,10-tetraoxaspiroundecane (DETOSU) is a bicyclic ketene acetal derived from the isomeric allyl acetal 3,9-divinyl-2,4,8,10-tetraoxaspiroundecane (DVT…