Chemistry is traditionally divided into organic and inorganic chemistry. category: Isoxazoles, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 3405-77-4
BENZPYRAZOL DERIVATIVES AS INHIBITORS OF PI3 KINASES
The invention is directed to certain novel compounds. Specifically, the invention is directed to compounds of formula (I) and salts thereof. The compounds of the invention are inhibitors of PI3-kinase activity.
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Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem