sentences:  However, in a two-year study on rats, there was no evidence of carcinogenic activity.It is available under trade names Salanine, BZT, Diapp, Quatrachlor, Polymine D, Phemithyn, Antiseptol, Disilyn, Phermerol, and others.It is also found in several grapefruit seed extract preparations and can be used as a preservative, such as in the anaesthetics ketamine and alfaxalone.