Patent ID: 8053459

Claim:
A selenolopyrazole compound having a formula (I) or (II): wherein R 1 is hydrogen, C1-C6 alkyl, hydroxyl, C1-C6 alkoxyl, F, Cl, or Br; R 2 is hydrogen or methyl; R 3 is —COOR 2 , —(CR 2 H) j OH, —(CR 2 H) j —C(O)—(CH 2 ) m —COOH, —(CR 2 H) j —O—C(O)—(CH 2 ) m —NH 2 or —(CR 2 H) j —O—C(O)—(CH 2 ) m —COOH, wherein R 2 is defined as above, j=1-6 and m=1-6; Ar 1 is phenyl or wherein x is O, S or Se; Ar 2 is wherein R 4 is hydrogen, C1-C6 alkyl, hydroxyl, C1-C6 alkoxyl, F, Cl, or Br; and n=0, 1 or 2.