3d image of pyridine skeletal formula

pyridine c5h5n azabenzene azinine azine structure synthesis formula reaction pyrrole piperidine substitution chemistry molecular orbital mechanism reagent nitrogen aromaticity functional group alcohol protonated hazard density side effect basic fish smell agrochemicals bonding marshmallow belladonna atropa althaea officinalis pesticide solvent crystallography nucleophilic electrophilic radical 3d molecule structural flammable