<unk>  (R35443) is a first-generation antihistamine of the phenylpiperazine class. It was discovered at Janssen Pharmaceutica in 1975.<unk>  lacks any anticholinergic effects. In addition to its H1 receptor antagonism, it also possesses antiserotonergic actions.
Oxatomide
Thiomersal
Epomediol
Roxatidine
Ethenzamide
Polidocanol
Tioclomarol
Quingestanol