中国
岛津（上海）实验器材有限公司
[13C4]-Vitamin B1 hydrochloride
[13C, 2H3]-(R)-Isometheptene maleate
[13C,2H3]-4-Methoxy-17-beta-estradiol
[13C,2H3]-4-Methoxyestrone
![[13C4]-Vitamin B1 hydrochloride](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001012/5001012595/C4771-1mg_01.jpg)
![[13C, 2H3]-(R)-Isometheptene maleate](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001012/5001012586/C4746-1mg_01.jpg)
![[13C,2H3]-4-Methoxy-17-beta-estradiol](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001011/5001011849/C2934-1mg_01.jpg)
![[13C,2H3]-4-Methoxyestrone](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001011/5001011856/C2948-1mg_01.jpg)