Sigma-Aldrich
25-Hydroxyvitamin D3 (6,19,19-d3)
25-羟基维生素 D3 (6,19,19-d3)
Acetamide-15N
乙酰胺-15N
Boc-Ala-OH-1-13C
CdSe/ZnS 核壳型量子点, CdSe/ZnS core-shell type quantum dots
DL-Leucine-d10
DL-Leucine-2,3,3,4,5,5,5,5′,5′,5′-d10
Etiocholanolone-2,2,3,4,4-d5 solution
本胆烷醇酮-2,2,3,4,4-d5 溶液
金纳米颗粒, Gold nanoparticles
Gold nanoparticles
氧化铁(II,III),纳米颗粒, Iron oxide (II,III), nanoparticles
Low endotoxin gelatin from porcine skin