3,5-dimethyl-3,4-dihydro-2H-pyrimido[4,5-e][1,3]oxazine-6,8(5H,7H)-dione
CAS No. 13922-58-2
3,5-dimethyl-3,4,5,6,7,8-hexahydro-2H-pyrimido[4,5-e][1,3]oxazine-6,8-dione