CRYSTAL STRUCTURE OF 4,5-BIS-PHENYL-8a- PHENYL-3,4,4a,5,6,8a-HEXAHYDRO-1H,8H-PYRIMIDO[4.5-d]PYRIMIDINE-2,7-DIONE
Single crystal X-ray diffraction is used to determine the crystal structure of 4,5-bis-phenyl-8а-phenyl-3,4,4а,5,6,8а-hexahydro-1Н,8Н-pyrimido[4.5-d]pyrimidine-2,7-dione and identify its conformation characteristics.