4-Ethyl-7-methoxy-2-thioxo-1,2-dihydro-5-thia-1,2a-diaza-acenaphthylen-3-one 5-Ethyl-8-methoxy-4-oxo-1H,4,5-dihydro-imidazo[3,4,5-d,e]-1,4-benzothiazin-2-thione AIDS-085861 AIDS085861