4-((2-((S)-4-(6-((2'-(7,7-二甲基-1-氧代-1,3,4,6,7,8-六氢-2H-环戊二烯并[4,5]吡咯并[1,2-a]吡嗪-2-基)-3'-(羟甲基)-1-甲基-6-氧代-1,6-二氢-[3,4'-联吡啶]-5-基)氨基)吡啶-3-基)-3-甲基哌嗪-1-基)-2-氧代乙基)氨基)-2-(2,6-二氧代哌啶-3-基)异吲哚啉-1,3-二酮

4-((2-((S)-4-(6-((2'-(7,7-Dimethyl-1-oxo-1,3,4,6,7,8-hexahydro-2H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2-yl)-3'-(hydroxymethyl)-1-methyl-6-oxo-1,6-dihydro-[3,4'-bipyridin]-5-yl)amino)pyridin-3-yl)-3-methylpiperazin-1-yl)-2-oxoethyl)amino)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione