@article{TapmeyerPrill2019,
  author    = {Lukas Tapmeyer and Dragica Prill},
  title     = {6-Amino-2-iminiumyl-4-oxo-1,2,3,4-tetrahydropyrimidin-5-aminium sulfate monohydrate},
  journal   = {IUCrData},
  volume    = {4},
  number    = {5, x190689},
  doi       = {10.1107/S2414314619006898},
  year      = {2019},
}