1-oxido-4-pyridin-4-ylpyridin-1-ium

4-(哌啶-4-基)吡啶

2,2 '-二氯-4,4 '-二吡啶

1-(4-methoxyphenyl)-4-[1-(4-methoxyphenyl)pyridin-1-ium-4-yl]pyridin-1-ium,dichloride

百草枯