TETRAETHYLENE GLYCOL BIS(3-MERCAPTOPROPIONATE)

propanoicacid,3-mercapto-,15-mercapto-13-oxo-3,6,9,12-tetraoxapentadec-1-yl

3-Mercaptopropanoic acid 15-mercapto-13-oxo-3,6,9,12-tetraoxapentadecan-1-yl ester