*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GU1773332 CHEMICAL NAME : 3-Cyclobutene-1,2-dione, 3-(methylamino)-4-((4-((4-(1-piperidinylmethyl)-2-pyr idinyl)oxy)-2- butenyl)amino)-, (Z)- CAS REGISTRY NUMBER : 103922-34-5 LAST UPDATED : 199806 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H26-N4-O3 COMPOUND DESCRIPTOR : Drug *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4710498 *** END OF RECORD ***