22181-94-8 Benin Butocin CCRIS 7603 EINECS 244-821-4 Ethyl N-(1-oxo-5-(1H-purin-6-ylthio)pentyl)glycinate Glycine, N-(1-oxo-5-(1H-purin-6-ylthio)pentyl)-, ethyl ester (9CI) Glycine, N-(5-(purin-6-ylthio)valeryl)-, ethyl ester (8CI) N-(delta-(6-Purinylthio)valeryl)glycine ethyl ester