tert-Butyl α-(Triphenylphosphoranylidene)-α-(5-(tert-butoxycarbonyl)-4-(2'-(methoxycarbonyl)ethyl)-3-methylpyrrol-2-yl)acetate

N-benzyl-7-(triphenylphosphoranylidene)-7H-pyrrolo[3,2-d]pyrimidin-4-amine

diphenylchloroborane

diethylboron

diphenyl(diethylamino)borane