Chemistry is traditionally divided into organic and inorganic chemistry. Product Details of 1448-87-9, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 1448-87-9
The present invention relates to isothiazoles of general formula (I) which inhibit the mitotic checkpoint : in which A, R1 and R2 are as defined in the claims, to methods of preparing said compounds, to intermediate compounds useful for preparing said compounds, to pharmaceutical compositions and combinations comprising said compounds and to the use of said compounds for manufacturing a pharmaceutical composition for the treatment or prophylaxis of a disease, in particular of neoplasms, as a sole agent or in combination with other active ingredients.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N453 | ChemSpider