Acalabrutinib

Chemical Name: (S)-4-(8-amino-3-(1-(but-2-ynoyl)pyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(pyridin-2-yl)benzamide

Synonym: Doxazosin USP RC F ; N,N′-Bis(1,4-benzodioxane-2-carbonyl)piperazine ; (piperazine-1,4-diyl)bis[[(2Ξ)-2,3-dihydro-1,4-benzodioxin-2-yl]methanone],