Iminodibenzyl was not a new drug. It had been discovered in 1898 and used briefly as an intermediate, in the preparation of Sky Blue, a dye stuff. Iminodibenzyl, however, had a tricyclic ring structure, similar in appearance to the phenothiazines. Iminodibenzyl is an important drug intermediate, which can be used for the medicine synthesis as a tristimania and epilepsia.
