Supplier Page from Thermo Fisher Scientific for Silica gel, for column chrom., ultrapure, 60-200 micron, 60A
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific