front 1 Alkane | back 1 H3C--CH3 |
front 2 Alkene | back 2 H2C==CH2 |
front 3 Alkyne | back 3 HC==CH (triple bond) |
front 4 Hydrocarbon | back 4 (benzene) |
front 5 Alcohol | back 5 |
front 6 Ether | back 6 |
front 7 Ester | back 7 |
front 8 Amine | back 8 |
front 9 Aldehyde | back 9 |
front 10 Keytone | back 10 |
front 11 Carboxylic Acid | back 11 |
front 12 Amide | back 12 |
front 13 Anhydride | back 13 |
front 14 Phenol | back 14 |
front 15 Nitrile | back 15 |