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Hamao Umezawa
Institute of Microbial Chemistry
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Tsutomu Sawa,
Institute of Microbial Chemistry
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Yasuo Fukagawa
Institute of Microbial Chemistry
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Gunji Koyama
Institute of Microbial Chemistry
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Masao Murase
Department for Development, Meiji Seika Co.,
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Masa Hamada
Institute of Microbial Chemistry
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Tomio Takeuchi
Institute of Microbial Chemistry