Rilpivirine500287-72-9100 % similar Dapivirine244767-67-737 % similar 4-((4-Chloropyrimidin-2-yl)amino)benzonitrile244768-32-934 % similar (E)-3-(4-Amino-3,5-dimethylphenyl)acrylonitrile hydrochloride661489-23-234 % similar 4-[(4-Hydroxy-2-pyrimidinyl)amino]benzonitrile189956-45-432 % similar