Synthesis Route for 1057667-17-0

5271-38-5
2-methylthioetha...
1057667-15-8
N-(5-hydroxypyri...
~61%
1057667-17-0
N-[5-(2-methylsu...

Reference:

KOWA COMPANY, LTD. Patent: US2009/82352 A1, 2009 ; Location in patent: Page/Page column 21-22 ; US 20090082352 A1