2-Butenoic acid, 3-((dimethoxyphosphinyl)oxy)-, cyclohexyl ester 64011-80-9 CROTONIC ACID, 3-HYDROXY-, CYCLOHEXYL ESTER, DIMETHYL PHOSPHATE Cyclohexyl 3-((dimethoxyphosphinyl)oxy)-2-butenoate ENT 25,624 SD 3945 Shell SD-3945