1(2H)-Pyrimidineacetic acid, 5-((1-(carboxymethyl)hexahydro-3-methyl-2,4,6-trioxo-5-pyrimidinyl)imino)tetrahydro-3-methyl-2,4,6-trioxo- 1,1'-Dimethylpurpurate-3,3'-diacetic acid 124433-73-4 Dmpdaa