(E)-N-(3-((Dimethoxyphosphinyl)oxy)-1-oxobutenyl)glycine ethyl ester 63938-41-0 ENT 27,266 GLYCINE, N-(3-HYDROXY-cis-CROTONOYL)-, ETHYL ESTER, DIMETHYL PHOSPHATE Glycine, N-(3-((dimethoxyphosphinyl)oxy)-1-oxobutenyl)-, ethyl ester, (E)- SD 11478 Shell SD-11478