Acalabrutinib Impurity 14

Chemical Name: 4-(8-Amino-3-((1R)-2-((S)-2-(8-amino-1-(4-(phenylcarbamoyl)phenyl)imidazo[1,5-a]pyrazin-3-yl)pyrrolidine-1-carbonyl)cyclopentyl)imidazo[1,5-a]pyrazin-1-yl)-N-(pyridin-2-yl)benzamide

Synonym: 17-keto Drospirenone ; 6α,7α,15α,16α-tetrahydro-3′H,3″H -dicyclopropa[6,7:15,16]androst-4-ene-3,17-dione