Supplier Page from Thermo Fisher Scientific for 1(2H)-Phthalazinone, 98+%
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific