Trovafloxacin , by robert hirst , Circle, Polka dot, Pattern
A group of colored circles on a black background.
 a collection of nine circles. The background is black. The circles are different colors. The first circle is blue. The second circle is white. The third circle is green. The fourth circle is orange. The fifth circle is purple. The sixth circle is yellow. The seventh circle is red. The last circle is light blue.