7-dehydrocholesterol (sometimes known as provitamin D3) is a chemical that, in the presence of ultraviolet light, is converted by the body to previtamin D3 which is then isomerized into Vitamin D3.
... (W)
162
Democratic-Republican
George Clinton (162)
Charles C. Pinckney[?]
14
Federalist
Rufus King (14)
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