中国
岛津（上海）实验器材有限公司
[13C12]-4,4＇-DDT
[13C5]-Guanosine monohydrate
[13C4]-Azelaic acid
[13C6,2H]-Clonidine hydrochloride
![[13C12]-4,4＇-DDT](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001011/5001011674/C2268-1mg_01.jpg)
![[13C5]-Guanosine monohydrate](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001011/5001011669/C2240-1mg_01.jpg)
![[13C4]-Azelaic acid](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001013/5001013290/C6663-1mg_01.jpg)
![[13C6,2H]-Clonidine hydrochloride](https://www.shimadzu-sglc.com/sites/default/files/productimg/50/5001/5001011/5001011670/C2243-1mg_01.jpg)