Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07F
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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9/00
Compounds containing elements of Groups 5 or 15 of the Periodic Table
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C07F9/08
Esters of oxyacids of phosphorus
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C07F9/095
Compounds containing the structure P(=O)-O-acyl, P(=O)-O-heteroatom, P(=O)-O-CN
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C07F9/095

Vitamin D3 phosphate and pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising the compound and methods for preparing the compound
12473310 · 2025-11-18 · ·

Disclosed is the compound vitamin D.sub.3 phosphate and pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising the compound and methods for preparing the compound. Also disclosed are methods of treating vitamin D deficiency using the compound. The compound is particularly suitable for transdermal delivery.

Ionic compound, absorbent and absorption device
12612404 · 2026-04-28 · ·

An ionic compound, an absorbent and an absorption device are provided. The ionic compound has a structure represented by Formula (I):
AB.sub.n,Formula (I)
wherein A is ##STR00001##
B is ##STR00002##
R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are independently H, C.sub.1-6 alkyl group; and n is 1 or 2.