2-Butenoic acid, 3-((diethoxyphosphinyl)oxy)-, 1-phenylethyl ester (9CI) 27591-74-8 CROTONIC ACID, 3-HYDROXY-, alpha-METHYLBENZYL ESTER, DIETHYL PHOSPHATE SD 7779 cis-2-(1-Phenylethoxy)carbonyl-1-methylvinyl diethylphosphate