中国
岛津（上海）实验器材有限公司
[13C3]-17a-Ethynylestradiol
甲醇中7种磺胺类混标溶液，100μg／ml
[13C, 2H3]-Ceftiofur formiate salt
Shim-pack UC-Diol
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![[13C, 2H3]-Ceftiofur formiate salt](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001012/5001012575/C4708-1mg_01.jpg)
