青草久福在线视频_免费国产污网站在线观看_996精品无码在线_日韩无码视频一区

2,6-Dichloropyridine

2,6-Dichloropyridine

White or off-white solid or crystal, mainly used in pharmaceuticals, used to prepare triazole and imidazole potassium channel antagonists, as antiarrhythmic drugs



?