Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]
R RESPIRATORY SYSTEM
R06 ANTIHISTAMINES FOR SYSTEMIC USE
R06A ANTIHISTAMINES FOR SYSTEMIC USE
R06AX Other antihistamines for systemic use
R06AX08 Pyrrobutamine
D07403 Pyrrobutamine (BAN)
Target-based classification of drugs [BR:br08310]
G Protein-coupled receptors
Rhodopsin family
Histamine
HRH1
D07403 Pyrrobutamine (BAN)