Many compounds belonging to these classes are found in plant kingdom .Most red and blue flowers petals contain anthocyanins ,derivatives of benzopyrylium cation ( 1 ) ,as the coloured material , and the yellow benzo
https://www.powershow.com/view4/67228b-MzliZ/Many_compounds_belonging_to_these_classes_are_found_in_plant_kingdom_Most_red_and_blue_flowers_petals_contain_anthocyanins_derivatives_of_benzopyrylium_cation_1_as_the_coloured_material_and_the_yellow_benzo_powerpoint_ppt_presentation
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