published on: 2014-03-05 14:12:46
compoundchem: Chemical structures of neurotransmitters poster
compoundchem: A look at the chemistry of the chilli pepper,
compoundchem: These aren’t mine, but came across them today
zone55.tumblr.com/post/78648490503/
pinkyzz: http://pinkyzz.tumblr.com/
zone55.tumblr.com/post/78659304740/