IUPAC:(3S)-3-(5-{2-[(1-{[1-({[7-(8-ethyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-4-[(3R)-3-hydroxy-3-methylpiperidin-1-yl]pyrido[4,3-d]pyrimidin-2-yl]oxy}methyl)cyclopropyl]methyl}-4-methylpiperidin-4-yl)methyl]-2,7-diazaspiro[3.5]nonan-7-yl}-1-oxo-2,3-dihydro-1H-isoindol-2-yl)piperidine-2,6-dione
IUPAC:(3S)-3-(5-{2-[(1-{[1-({[7-(8-ethyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-4-[(3R)-3-hydroxy-3-methylpiperidin-1-yl]pyrido[4,3-d]pyrimidin-2-yl]oxy}methyl)cyclopropyl]methyl}-4-methylpiperidin-4-yl)methyl]-2,7-diazaspiro[3.5]nonan-7-yl}-1-oxo-2,3-dihydro-1H-isoindol-2-yl)piperidine-2,6-dione