6‐(3‐Methylbenzyl)‐2‐(2‐methylpropyl)thio‐4(3H)‐pyrimidinone (DABO 622)

The title compound, C 16 H 20 ON 2 S, shows the pyrimidine and benzene rings arranged in 'butterfly-like' conformation as observed for TIBO, nevirapine and other non-nucleoside inhibitors of HIV-1 Reverse Transcriptase.