163702-20-3 Purity
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Reference: [1] Patent: US6833454, 2004, B1, . Location in patent: Page column 6-7
Reference: [1] Patent: US5721364, 1998, A,
Reference: [1] Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980, p. 331 - 342
Reference: [1]Journal of the American Chemical Society,1951,vol. 73,p. 2986,2989
Reference: [1]Journal of the American Chemical Society,1951,vol. 73,p. 2999,3003
* For details of the synthesis route, please refer to the original source to ensure accuracy.