126872-21-7 138-22-7 2-Hydroxypropanoic acid butyl ester 4-03-00-00649 (Beilstein Handbook Reference) AI3-00397 BRN 1721597 BUTYL LACTATE Butyl 2-hydroxypropanoate Butyl alpha-hydroxypropionate Butyl lactate (natural) Butylester kyseliny mlecne [Czech] EINECS 205-316-4 FEMA No. 2205 Lactic acid, butyl ester NSC 6533 Propanoic acid, 2-hydroxy-, butyl ester n-Butyl lactate