((2-(((2S)-1-((2S,4S)-4-((7-(2-(2,6-二氧代哌啶-3-基)-1-氧代异吲哚啉-4-基)庚-6-炔-1-基)氧基)-2-((R)-2-苯基吗啉-4-羰基)吡咯烷-1-基)-3,3-二甲基-1-氧代丁烷-2-基)氨基甲酰基)苯并[b]噻吩-5-基)二氟甲基)膦酸

((2-(((2S)-1-((2S,4S)-4-((7-(2-(2,6-Dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)hept-6-yn-1-yl)oxy)-2-((R)-2-phenylmorpholine-4-carbonyl)pyrrolidin-1-yl)-3,3-dimethyl-1-oxobutan-2-yl)carbamoyl)benzo[b]thiophen-5-yl)difluoromethyl)phosphonic acid