ethyl 1-<2-(2,4-diamino-6,7-dihydro-5H-cyclopentapyrimidin-5-yl)ethyl>indoline-5-carboxylate

ethyl 1-<2-(2-cyano-3-methoxy-2-cyclopentenyl)ethyl>indoline-5-carboxylate

ethyl 1-(2-hydroxyethyl)indoline-5-carboxylate

(5-ethoxycarbonyl-1H-indol-1-yl)acetic acid

1-<2-(2,4-diamino-6,7-dihydro-5H-cyclopentapyrimidin-5-yl)ethyl>indoline-5-carboxylic acid