2-Pentenedioic acid, 3-((diethoxyphosphinyl)oxy)-, dimethyl ester 4-03-00-01195 (Beilstein Handbook Reference) 50708-20-8 AI3-24832 BRN 1805801 ENT 24,832 GC 3661 General chemicals 3661 Glutaconic acid, 3-hydroxy-, dimethyl ester, diethyl phosphate NSC 14032