参考文献:
King et al. Journal of the Chemical Society, 1959 , p. 2259,2262 Full Text Show Details Cook Heilbron Chem. Penicillin, <Princeton 1949>, S. 921, 960 Full Text Show Details Therap. Research Corp. Patent: US2450784 , 1945 Full Text Show Details Crooks Chem. Penicillin, <Princeton 1949>, S. 455, 459, 467 Full Text Show Details Leach Hunter Biochemical Preparations, 1953 , vol. 3, p. 111,114 Anm. 7