嗯
CAS却是不能没有

【 在 Woodchuckle (there and back again) 的大作中提到: 】
: Nature 435, 718-719 (9 June 2005) | doi: 10.1038/435718a
: Chemistry society goes head to head with NIH in fight over public database
: Emma Marris, Washington DC
: ...................
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FROM 166.111.28.110