2-Methyl-1,4-naphthoquinone sodium bisulfite130-37-0100 % similar Menadione nicotinamide bisulfite73581-79-044 % similar 1,3-Indandione606-23-534 % similar Sodium 2-anthraquinonesulfonate131-08-833 % similar Sodium anthraquinone-1-sulfonate128-56-332 % similar Ninhydrin485-47-232 % similar Folin'S reagent521-24-431 % similar Disodium 9,10-dioxoanthracene-1,5-disulfonate(2-)853-35-031 % similar Sodium o-fluorobenzoate490-97-131 % similar Sodium salicylate54-21-731 % similar