Patent ID: 8097709

Claim:
A compound of formula I, and an enantiomer, diastereomer, tautomer, or pharmaceutically-acceptable salt thereof, wherein: R 1 is hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , alkyl or substituted alkyl, alkenyl or substituted alkenyl, alkynyl or substituted alkynyl, cycloalkyl or substituted cycloalkyl, cycloalkenyl or substituted cycloalkenyl, heterocycle or substituted heterocycle, aryl or substituted aryl, (═O), OR a , OC(═O)R a , SR a , S(═O) 2 R d , NR b R c or sugar group; R 2 is hydrogen, NH 2 , —OH, alkyl or substituted alkyl, cycloalkyl or substituted cycloalkyl; each R a is independently hydrogen, alkyl or substituted alkyl, alkenyl or substituted alkenyl, alkynyl or substituted alkynyl, cycloalkyl or substituted cycloalkyl, cycloalkenyl or substituted cycloalkenyl, heterocycle or substituted heterocycle, or aryl or substituted aryl; R b and R c are each independently hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, heterocycle, substituted heterocycle, aryl, substituted aryl, or said R b and R c together with the N to which they are bonded optionally form a heterocycle or substituted heterocycle; and each R d is independently alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, cycloalkenyl, substituted cycloalkenyl, heterocycle, substituted heterocycle, aryl, or substituted aryl.