Examlex
What is the role of FeBr3 in electrophilic aromatic bromination of benzene using Br2?
Enovid-E 21
A pharmaceutical preparation previously used for contraception.
Ortho-Novum
A brand of oral contraceptive pills used to prevent pregnancy.
Formalin
An aqueous solution of formaldehyde gas; commonly used as a disinfectant or preservative in medical laboratories.
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