Input (grade 11): In traditional Chinese medicines, the herb mÃ huÃ ng (é "é", Ephedra sinica) contains ephedrine and pseudoephedrine as its principal active constituents.
Output (grade 4): The herb mÃ huÃ ng (é "é", Ephedra sinica) is used in traditional Chinese medicine. It has ephedrine and pseudoephedrine in it.