21-Mapb

N-methyl-2-(1-methylpiperidin-1-ium-1-yl)-N-[2-(1-methylpiperidin-1-ium-1-yl)ethyl]ethanamine,diiodide

methyl 2-phenyloxirane-2-carboxylate

1-chloro-2-(methylselanylmethyl)benzene

甲基4-甲基-1-哌嗪二硫代甲酸酯