In pulpotomy, medicament used for preservation of pulp:
Devitalisation

Formocresol
Mummifying paste
Electrocautery

Preservation

Ca(OH)2, Fe2(SO4)3
Glutaraldehyde

Regeneration

Bone morphogenic protein
Tricalcium phosphate
Calcium hydroxide
Glutaraldehyde
Ferric sulphate
All of the above