(-)-(S)-Proline (-)-2-Pyrrolidinecarboxylic acid (-)-Proline (S)-2-Carboxypyrrolidine (S)-2-Pyrrolidinecarboxylic acid (S)-Proline (S)-Pyrrolidine-2-carboxylic acid 147-85-3 2-Pyrrolidinecarboxylic acid 2-Pyrrolidinecarboxylic acid, (S)- AI3-26710 CB 1707 Carboxypyrrolidine FEMA No. 3319 FEMA Number 3319 HSDB 1210 L-(-)-Proline L-Proline L-Pyrrolidine-2-carboxylic acid L-alpha-Pyrrolidinecarboxylic acid Pro Proline Proline, L- Prolinum