94278-27-0 EINECS 304-716-7 Ethyl 3-((2-furanylmethyl)thio)propanoate Ethyl 3-(furfurylthio)propionate Ethyl beta-furfuryl-alpha-thiopropionate FEMA No. 3674 Propanoic acid, 3-((2-furanylmethyl)thio)-, ethyl ester