Examlex
Cirrus clouds are generally formed above an elevation of 6 kilometers elevation.
Quaternary Ammonium Salt
A compound containing a nitrogen atom bonded to four alkyl groups, with a positive charge balanced by a negatively charged anion.
Alkyl Sulfonyl Chloride
Organic compounds used as intermediates in the synthesis of sulfonyl derivatives, featuring a sulfonyl group attached to an alkyl chain ending with a chlorine atom.
1° Amine
Primary amine, an organic compound featuring a basic nitrogen atom with one alkyl or aryl group.
Sulfonamide
A functional group or compound containing the sulfonamide group, which is -SO2NH2, used in many drugs.
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