(8R,9S and 8S,9R)-8,9-Dimethyl-7-(3-methyl-but-2-enyl)-6,7,8,9-tetrahydro-2H-2,7,9a-triaza-benzo[cd]azulene-1-thione AIDS-044591 AIDS044591 TIBO, Cis-4,5-diMe-6-DMA Thione deriv.