Rilpivirine is an aminopyrimidine that is pyrimidine-2,4-diamine in which the amino groups at positions 2 and 4 are substituted by 4-cyanophenyl and 4-[(E)-2-cyanovinyl]-2,6-dimethylphenyl groups respectively. Used for treatment of HIV. It has a role as a HIV-1 reverse transcriptase inhibitor and an EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor. It is a nitrile and an aminopyrimidine. It is a conjugate base of a rilpivirine(1+).