(-)-1-Hydroxy-1,2-ethanedicarboxylic acid (-)-Hydroxysuccinic acid (-)-L-Malic acid (-)-Malic acid (2S)-2-Hydroxybutanedioic acid 124501-05-9 2-Hydroxybutanedioic acid, (S)- 498-37-3 6294-10-6 84781-39-5 97-67-6 Apple acid BUTANEDIOIC ACID, HYDROXY-, (S)- Butanedioic acid, hydroxy-, (2S)- Butanedioic acid, hydroxy-, (S)- (9CI) EINECS 202-601-5 Hydroxybutanedioic acid, (S)- Hydroxysuccinnic acid (-) L-(-)-Malic acid L-Malic acid Malic acid L-(-)-form Malic acid, L- NSC 9232 S-(-)-Malic acid S-2-Hydroxybutanedioic acid