dibromo-orthoacetic acid triethyl ester

4-溴-4’-硝基二苯胺

(10-nitroanthracen-9-yl)-phenylmethanone

4-methyl-N-pyridin-2-ylbenzenesulfonamide

1-methyl-2-(pyridin-1-ium-1-ylmethyl)quinolin-1-ium,iodide