CAS Chemical Name SMILES #Obs_CA_with_S9 #in vitro predicted CA with S9 Metabo Smiles Reference 389-08-2 nalidixic acid CCN1C=C(C(O)=O)C(=O)c2ccc(C)nc12 in vitro CA negative in vitro CA positive CCN1C=C(C(O)=O)C(=O)c2ccc(C)nc12; CCN1C=C(C(O)=O)C(=O)c2ccc(C)n(=O)c12 NTP Toxicology and Carcinogenesis Studies of Nalidixic Acid (CAS No. 389-08-2) in F344/N Rats and B6C3F1 Mice (Feed Studies). Natl. Toxicol. Program Tech. Rep. Ser., 1989, 368, 1-195