Cyclamic acid
Cyclamic acid is a compound with formula  C6H13NO3S. It is included in E number "E952". Cyclamic acid is mainly used as catalyst in the production of paints and plastics, and furthermore as a reagent for laboratory usage. The sodium and calcium salts of cyclamic acid are used as artificial sweeteners under the name cyclamate. References

Amines
Sulfamates
Cyclohexyl compounds