121607-22-5 2,4(1H,3H)-Pyrimidinedione, 6-methoxy-1-((4-methoxy-3-nitrophenyl)methyl)-3-methyl- 6-Methoxy-1-((4-methoxy-3-nitrophenyl)methyl)-3-methyl-2,4(1H,3H)-pyrimidinedione BRN 3567662