(9) A. Pinner, Bey., 16, 357 (1883). (10) W, E. Hanby-. SC Waley and J. Watson, J . Ckei?t. Soc., 3239 ( I I ) IC. \lichrrl :~url \V. lilitwli , ,47&7z., 677, 234 (1952). ... (0.38 mmole) of the ester was suspended in 4 ml. of meth- anol, 20 mg. of palladium oxide added, and hydrogen bubbled through. After one hour, the white solid appeared to dissolve. Hydrogenation was continued for an addi- tional three hours, with periodic addition of methanol to maintain the volume ...
![2-[3,5-bis(carboxymethyl)phenyl]acetic acid Structure](https://image.chemsrc.com/caspic/075/4435-67-0.png)