英文别名Olaparib Impurity 20; 4-(3-(4-Butyrylpiperazine-1-carbonyl)-4-fluorobenzyl)phthalazin-1(2H)-one; 4-[[4-Fluoro-3-[[4-(1-oxobutyl)-1-piperazinyl]carbonyl]phenyl]methyl]-1(2H)-phthalazinone; Olaparib Impurity T; 1(2H)-Phthalazinone, 4-[[4-fluoro-3-[[4-(1-oxobutyl)-1-piperazinyl]carbonyl]phenyl]methyl]-; Olapali impurity 13; Olapali impurity D; 4-(3-(4-Butanoyl-piperazine-1-carbonyl)-4-fluorobenzyl)phthalazin-1(2H)-one 
