Examlex
Use the Formula for the Sum of the First n Terms of an Arithmetic Sequence
-Find the sum of the first 50 terms of the arithmetic sequence: 5, -4, -13, -22, . . .
Transformation
In chemistry, transformation refers to the change of a chemical substance into another form through a chemical reaction, often involving the rearrangement or modification of atoms.
Robinson Annulation
A chemical reaction combining the Michael reaction and the Aldol condensation to build ring structures, particularly useful in synthesizing steroids.
Cytotoxic Activity
The quality of being toxic to cells, describing substances that inhibit or prevent the function of cells, leading to cell death.
Complex Natural Product
A compound derived from natural sources that has a complicated molecular structure.
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