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• This teacher organic chemistry molecular model set includes plenty parts to build 3-D models of a lot of important chemical structures.
• Chemical structures such as alkanes， hydrocarbon derivatives， carbocation intermediates， carbonyl compounds; and to admit elaborate study of: advanced isomerism， conformers， reaction mechanisms， cumulated groups， optical activity (chirality).
• This set includes 333 pieces of durable and fine quality plastic components， virtually indestructible， and come in a sturdy plastic case for storage.
• All components and parts are 100% compatible with any Prentice Hall or Molymod models.
• We provide 30 Day money return guarantee， as long as you find the purchased item is different from our listed description and condition.