Warning: The NCBI web site requires JavaScript to function. more...
An official website of the United States government
The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.
The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
gambogic acid [Supplementary Concept]
RN given refers to (1R-(1alpha,1(Z),3abeta,5alpha,11beta,14aS*))-isomer
Date introduced: July 6, 1987
Xanthones
A group of XANTHENES that contain a 9-keto OXYGEN.
Year introduced: 2004
Xanthenes
Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring.
Heterocyclic Compounds, 3-Ring
A class of heterocyclic compounds that include a three-ring fused structure. Both aromatic or non-aromatic ring structures are included in this category.
Year introduced: 1998
Heterocyclic Compounds
Cyclic compounds that include atoms other than carbon in their ring structure.
Heterocyclic Compounds, Fused-Ring
Multiple ring heterocyclic compounds containing two or more rings that share two atoms and one bond in common.
Year introduced: 2017