Supplier Page from Thermo Fisher Scientific for Glassy carbon splinter powder, 0.4-12 micron, type 1
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific