15421-88-2 2-(Diethylaminoethyl) 2-cyclopentyl-2-(2-thienyl)glycolate 2-Diethylaminoethyl alpha-cyclopentyl-alpha-2-thienylglycollate EINECS 239-435-8 GLYCOLIC ACID, 2-CYCLOPENTYL-2-(2-THIENYL)-, 2-(DIETHYLAMINOETHYL) ESTER