| 1 | 2-hydroxypropanoic acid |
| 2 | E270 |
| 3 | Milchsaeure |
| 4 | Alpha-hydroxypropanoic acid |
| 5 | Alpha-hydroxypropionic acid |
| 6 | 2-hydroxypropionic acid |
| 7 | D-lactic acid |
| 8 | D-2-hydroxypropanoic acid |
| 9 | D-2-hydroxypropionic acid |
| 10 | (2r)-2-hydroxypropanoic acid |
| 11 | (-)-lactic acid |
| 12 | (r)-(-)-lactic acid |
| 13 | D-milchsaeure |