Keywords: Estrone 3D skeletal.png Skeletal stick model non-chiral hydrogens omitted of the estrone molecule a sex steroid Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 2011-07-15 own DS Visualizer Jynto talk Ball-and-stick version Space-filling version cc-zero Images by Jynto 3D-sticks models Estrone |