Acitretin. Acitretin, (Z,E,E,E)-Isomer . Isoacitretin . Neotigason . Ro 10-1670 . Ro 13-7652 . Ro-10-1670 . Ro-13-7652 . Soriatane . Ro 101670 . Ro 137652 . Ro101670 . Ro137652 . Etretin . Isoetretin . 13-cis-Acitretin . An oral retinoid effective in the treatment of psoriasis. It is the major metabolite of ETRETINATE with the advantage of a much shorter half-life when compared with etretinate. . 1.00