1-(2,4-Bis-allylaminopyrimidin-6-yl)-4-(benzofuran-5-ylmethyl)piperazine difumarate 2,4-Pyrimidinediamine, 6-(4-(5-benzofuranylmethyl)-1-piperazinyl)-N,N'-di-2-propenyl-, (E)-2-butenedioate (1:2) 87813-87-4