(2R)-2-Hydroxy-2-methylbutanedioate (3R)-Citramalate (3R)-Citramalic acid (3R)-alpha-Hydroxypyrotartaric acid (R)-2-Methylmalate (R)-2-Methylmalic acid C02612 D-Citramalate D-Citramalic acid D-alpha-Hydroxypyrotartaric acid