| 52872-49-8 | [(6E)-5-methyl-6-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,6-dihydropyrimidin-2-yl]cyanamide | C12H10N4O |
| 52872-80-7 | 1-[(6E)-6-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-1,6-dihydropyrimidin-2-yl]urea | C17H14 N4 O2 |
| 52872-81-8 | 1-[(6E)-5-methyl-6-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,6-dihydropyrimidin-2-yl]urea | C12H12 N4 O2 |