Searle and Co.
Patent: US2687414 , 1948 ;
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Searle and Co.
Patent: US2676966 , 1951 ;
2.合成路线
86-74-8
7384-02-3
Burckhalter et al.
Journal of the American Pharmaceutical Association (1912-1977), 1950 , vol. 30, p. 271
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Cavallito et al.
Journal of the American Chemical Society, 1954 , vol. 76, p. 1862,1865