3-(4-Nitrophenyl)-4-(2-imidazolinyl)-5-(4-chlorophenyl)- isooxazole 5-(4-Chlorophenyl)-4-(4,5-dihydro-1H-imidazol-2-yl)-3-(4-(hydroxy(oxido)amino)phenyl)isoxazole AIDS-138367 AIDS138367 NSC645050