1 8ZM 5-phenyltetrazolo[1,5-a]pyrimidin-7-ol 1.000 2 9BV Tetrazolo[5,1-B]quinazolin-9-ol 0.765 3 JG8 Benzofuro[3,2-D]pyrimidin-4(3h)-one 0.765 4 M3E 6-phenyl-1~{H}-pyrimidine-2,4-dione 0.765 5 RW1 4-phenylpyrimidine 0.750 6 QZ8 3-methyl-4-phenyl-2,7-dihydropyrazolo[3,4-B]pyridin-6-one 0.737 7 977 2-amino-5-bromo-6-phenylpyrimidin-4-ol 0.722 8 F3E 4-phenylpyrimidin-2-amine 0.706 9 Z0W 5h-pyrimido[5,4-B]indole 0.706