Patent ID: 8119692

Claim:
A compound of the formula where X is O or S; R 1 is independently F, Cl, Br, I, alkyl of 1-3 carbons, or; m is an integer having the value of 1 to 3; R 2 is H or alkyl of 1 to 3 carbons, R 3 is (CH 2 ) n NR 5 R 6 ; n is an integer having the value of 1 to 6; R 5 is H, alkyl of 1 to 6 carbons, phenyl where the phenyl is substituted with 0-3 R 1 groups, (CH 2 ) p phenyl where the phenyl is substituted with 0-3 R 1 groups, or R 5 is (CH 2 ) p —N(C 1-3 alkyl)phenyl, p is an integer having the values 1 to 4; R 6 is H, alkyl of 1 to 6 carbons, phenyl optionally substituted with 0-3 R 1 groups or with an —OPh group, or (CH 2 ) p phenyl where the phenyl is substituted with 1-3 R 1 groups; the asterisk indicates a carbon which is asymmetric or may be asymmetric, the wavy line represents a bond which can be of either R or S configuration, or a pharmaceutically acceptable salt of said compound.