Citarin,
CH_{2}COONa
| CH_{2}
| / | / CO O = Na_{2}C_{7}H_{6}O_{7}, the normal sodium salt of
| /
| /
| CO
CH_{2}COONa
anhydromethylene-citric acid.
Actions and Uses.—This is one of the compounds which it is claimed
increase the elimination of uric acid by forming very soluble compounds
with that substance. It has been recommended for gout and chronic
rheumatism. Dosage.—1 to 2 grammes (15 to 30 grains), largely diluted
with water. Manufactured by Farbenfabriken, vorm. Friedr. Bayer & Co.,
Elberfeld, Germany (Continental Color & Chemical Co., New York).