A compound, or its optical isomer, pharmaceutically acceptable salt, pharmaceutical product, N-oxide, hydrate or any combination thereof, represented by the structure of Formula VI:wherein R1 is hydrogen； R2 is hydrogen, COOH, -C(=NH)-OH, -CH=CH2, hydroxyl, cyano, OCOR, alkenyl, OSO2CF3, or protected hydroxyl； R3, R8 and R9 are hydrogen； R10 is hydrogen, halogen, CH=CHCO2H, CH=CHCO2R, -CH=CH2, cyano, aryl, 4-methoxyphenyl, 4-hydroxyphenyl, alkenyl, alkyl, or haloalkyl； R11 is hydrogen, halogen, cyano, or SO2R； R6 is hydrogen, halogen, or C1-C6-alkyl； R7 is hydrogen or halogen； R' is hydrogen, Alk or COR； R" is hydrogen, Alk or COR； and R is alkyl, haloalkyl, dihaloalkyl, trihaloalkyl, aryl, benzyl, halogen, alkenyl, CN, or NO2； and Alk is a linear alkyl of 1-7 carbons, branched alkyl of 1-7 carbons, or cycloalkyl of 3-8 carbons； for use in treating, delaying onset, reducing the incidence of, or reducing the severity of a fatty liver condition in a subject.
