Supplier Page from Thermo Fisher Scientific for N-[3-(Trimethoxysilyl)propyl]-N,N,N-trimethylammonium chloride, 50% in methanol
2-Methoxybenzyl alcohol, 99% from Thermo Fisher Scientific
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Isonipecotic acid, 99% from Thermo Fisher Scientific
Itaconic acid, 99+% from Thermo Fisher Scientific