(-)-Lactic acid (D)-(-)-Lactic acid (R)-(-)-Lactic acid (R)-2-Hydroxypropanoic acid (R)-2-Hydroxypropionsaeure (R)-Lactic acid (R)-Milchsaeure (R)-alpha-Hydroxypropionic acid 1-Lactic acid 10326-41-7 D-Lactic acid D-Milchsaeure EINECS 233-713-2 Lactic acid (D) Propanoic acid, 2-hydroxy-, (2R)- Propanoic acid, 2-hydroxy-, (R)-