30724-02-8 3398-20-7 618-27-9 EINECS 210-542-1 Hydroxyproline cis-form L-Allohydroxyproline L-Hydroxyproline L-Proline, 4-hydroxy-, (4S)- L-Proline, 4-hydroxy-, cis- (9CI) L-Proline, allo-hydroxy- NSC 206274 Proline, 4-allo-hydroxy-, L- (8CI) allo-4-Hydroxy-L-proline allo-4-Hydroxyproline cis-4-Hydroxy-L-proline cis-4-Hydroxyproline cis-Hydroxyproline