15:3815:38, 5 October 2015diffhist+987
Chlorophyll a
→Side chains: Chlorophyll a does not only methyl side chains. There is a vinyl at the C-3 position and an ethyl at the C-8 position. It also has the exocyclic E ring attached at the C-13 and C-15 positions, but all chlorophyll types contain that.