Patent ID: 8119690

Claim:
A compound of formula (I), (II), (III), or (IV): wherein in formula (I): X 1 is O, NH, or S; X 2 is O, NH, or S; X 3 is O, NH, or S; R 1 and R 2 each independently represents —H, —C(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C3-C22 alkenyl, or —C3-C22 alkynyl, formula (II): X 1 is O, NH, or S; X 2 is O, NH, or S; X 3 is O, NH, or S; R 1 and R 2 each independently represents —H, —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C3-C22 alkenyl, or —C3-C22 alkynyl, in formula (III): X 1 is O, NH, or S; X 2 is O, NH, or S; X 3 is O, NH, or S; R 1 is chosen from —H, —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, and R 2 is chosen from —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, or R 1 is chosen from —C(O)NH 3 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, and R 2 is chosen from —H, —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, in formula (IV): X 1 is O, NH, or S; X 2 is O, NH, or S; X 3 is O, NH, or S; R 1 is chosen from —H, —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, and R 2 is chosen from —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, or R 1 is chosen from —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, and R 2 is chosen from —H, —C(O)NH 2 , —S(O)NH 2 , —S(O) 2 NH 2 , —C1-C22 (oxy)alkyl, —C1-C22 alkyl, —C1-C22 (hydroxy)alkyl, —C1-C22 (amino)alkyl, —C1-C22 (halo)alkyl, —C3-C22 alkenyl, and —C3-C22 alkynyl, or a pharmaceutically acceptable salt thereof.