(p-Methoxyphenyl-1 buten-3 yl)-5 tris (propyn-2 yl)-1,3,5 trioxo-2,4,6 hexahydropyrimidine 126348-51-4 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(1-(4-methoxyphenyl)-3-butenyl)-1,3,5-tri-2-propynyl- 5-(1-(4-Methoxyphenyl)-3-butenyl)-1,3,5-tri-2-propynyl-2,4,6(1H,3H,5H)-pyrimidinetrione