Keywords: Pregnane 3D skeletal.png Skeletal stick model of the pregnane molecule the parent compound of various steroids Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> 2011-07-15 own DS Visualizer Jynto talk Ball-and-stick version Space-filling version cc-zero Images by Jynto Steroids 3D-sticks models Polycyclic nonaromatic hydrocarbons |