Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]
D DERMATOLOGICALS
D05 ANTIPSORIATICS
D05A ANTIPSORIATICS FOR TOPICAL USE
D05AD Psoralens for topical use
D05AD01 Trioxysalen
D01034 Trioxsalen (USP)
D05B ANTIPSORIATICS FOR SYSTEMIC USE
D05BA Psoralens for systemic use
D05BA01 Trioxysalen
D01034 Trioxsalen (USP)