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4-fluoro-2-(4-(4-(2-hydroxypropan-2-yl)pyrrolidin-3-ylamino)-6,7-dimethoxyquinazolin-2-yl)phenol [Supplementary Concept]
inhibits checkpoint kinase 2; structure in first source
Date introduced: March 6, 2011
Quinazolines
A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.
Year introduced: 1966(1965)
Heterocyclic Compounds, 2-Ring
A class of heterocyclic compounds that include a two-ring fused structure. Both aromatic and 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