Patent ID: 7456283

Claim:
A compound of formula I wherein R 3 is (4-methyl-piperazinyl)-methyl and R 1 , R 2 , R 4 and R 5 are independently hydrogen, cyano; lower alkyl; hydroxy- or amino-substituted lower alkyl; trifluoromethyl; free, etherified or esterified hydroxy; lower alkoxy; lower alkanoyloxy; free, alkylated or acylated amino; mono- or di-lower alkylamino; lower alkanoylamino; benzoylamino; free or esterified carboxy; lower alkoxycarbonyl and halogen; R 6 is halogen, NH 2 , NO 2 , NHC(O)CF 3 , NHC(O)CH 3 , or NHC(NH)NH 2 , R 7 is methyl and R 8 is hydrogen; or a salt or crystal form thereof.