levocetirizine antihistamine drug molecule used treat hay fever urticaria and allergies skeletal formula |
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| navigate by keyword : levocetirizine antihistamine drug molecule used treat hay fever urticaria allergies skeletal formula cetirizine cetirizin levocetirizin allergy hydroxyzine levorotary racemate histamine carbon hydrogen oxygen nitrogen chlorine atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector |
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| Levocetirizine antihistamine drug molecule. Used to treat hay fever, urticaria and allergies. Skeletal formula |
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