The previous page is sending you to https://www.academia.edu/117108185/A_Direct_and_an_Efficient_Regioselective_Synthesis_of_1_2_Benzothiazine_1_1_dioxides_%CE%B2_Carbolinones_Indolo_2_3_c_pyran_1_ones_Indolo_3_2_c_pyran_1_ones_Thieno_2_3_c_pyran_7_ones_and_Pyrano_3_4_4_5_imidazo_1_2_a_pyridin_1_ones_via_Tandem_Stille_Heterocyclization_Reaction.

 If you do not want to visit that page, you can return to the previous page.