(3,4-Dimethylphenyl)methyl 3-((dimethoxyphosphinyl)oxy)-2-butenoate 2-Butenoic acid, 3-((dimethoxyphosphinyl)oxy)-, (3,4-dimethylphenyl)methyl ester 64011-83-2 CROTONIC ACID, 3-HYDROXY-, 3,4-DIMETHYLBENZYL ESTER, DIMETHYL PHOSPHATE ENT 25,745 SD 7319 Shell SD-7319