Activator for self cure resin:
Chemically activated resins (chemically cured composites) are supplied as two pastes, one of which contains the benzoyl peroxide initiator and the other an aromatic tertiary amine activator (e.g., N, N-dimethyl-p-toluidine).
Phillip’s 12th edition page 286
Benzoyl peroxide
Tertiary amine
Methyl ether
None of the above