Synonyms: 17,19-Dinoratis-15-ene-4,13,14-tricarboxylic acid, 16-(1-methylethyl)-, sodium salt (1:2), (4alpha,8alpha,12alpha,13R,14R)-;(4alpha,8alpha,12alpha,13R,14R)-16-Isopropyl-17,19-dinoratis-15-ene-4,13,14-tricarboxylic acid, disodium salt;17,19-Dinoratis-15-ene-4,13,14-tricarboxylic acid, 16-(1-methylethyl)-, disodium salt, (4alpha,8alpha,12alpha,13R,14R)-