loratadine c22h23cln2o2 molecule. it is antihistamine, is used to treat allergies. structural chemical formula and molecule model

allergies allergy antihistamine atom atomic c22h23cln2o2 cage carbon chemical chemistry chlorine compound drawing drug fever flat formula hay histamine hives hydrogen icon illustration loratadine medication model molecular molecule nitrogen nonsedating notebook organic oxygen rhinitis sedating sheet structural structure urticaria vector