Olaparib Impurity 19

Olaparib Impurity 28 Olaparib Impurity P Olaparib Impurity I Olaparib Impurity 22 Olaparib Impurity K

Olaparib Impurity B Olaparib Impurity 4 Olaparib Impurity 15 Olaparib Impurity 11 Olaparib Impurity 25

Olaparib Impurity 30 Olaparib Impurity 3 cyclopropyl-(4-cyclopropylcarbonylpiperazin-1-yl)methanone Olaparib Impurity 13 Olaparib Impurity 20

Olaparib Imp.2 Olaparib Impurity 12 3-((4-Oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid