5-methyl-3-phenylspiro[1,3-thiazolidine-2,3'-1H-indole]-2',4-dione

5-methyl-3-phenyl-1'-(piperidin-1-ylmethyl)spiro[1,3-thiazolidine-2,3'-indole]-2',4-dione

2-quinolin-2-ylquinoxaline

3-cyclohexyl-1,3-dihydroindol-2-one

2-异丁基喹啉