Patent ID: 6909012

Claim:
An anti-thrombotic agent of the formula wherein: n is 4 to 13 X is each independently a halogen, X being on one or more of the phenyl carbon atoms; R is selected from the group consisting of hydrogen, halogen, lower alkyl, and lower alkoxy; R 1 is selected from the group consisting of hydroxy, amino, lower alkoxy, lower alkylamino, di(lower alkyl) amino, diloweralkylaminoloweralkylamino, diloweralkylaminoloweralkoxy, hydroxyloweralkoxy, polyhydroxyloweralkoxy, loweralkoxyloweralkoxy, phenyl-loweralkoxy, phenoxy, substituted phenoxy, carboxy, carbloweralkoxy, loweralkanoylaminoloweralkoxy, hydrazino, hydroxylamino, N-morpholino, N-(4-loweralkylpiperidino), N-[4-(hydroxyloweralkyl)-piperidino], (hydroxyloweralkyl) amino, and a naturally occurring amino acid radical with attachment at the α-amino nitrogen; R 2 is each independently hydrogen or a halogen; and R 3 is selected from the group consisting of hydrogen, 3- and 4-lower alkyl, lower alkoxy, benzyl and halo; or a pharmaceutically acceptable salt thereof.