3-Hydroxypropanoic acid 3-Hydroxypropionic acid 4-03-00-00689 (Beilstein Handbook Reference) 503-66-2 BRN 0773806 EINECS 207-974-8 Ethylene lactic acid Glyceric acid, 2-deoxy- Hydracrylic acid Propionic acid, 3-hydroxy- beta-Hydroxypropionic acid beta-Lactic acid