国产国产在线播放你懂的_久99久无码精品视频免费播放_一本色道久久综合亚洲精品不_久久久久亚洲波多野结衣_国产黄片精品一区_SAO货腿张开JI巴CAO死我_国产免费网站在线看大片_97超视频在线观看_亚洲免费高清无码视频_中文日韩欧美制服

1-(Difluoromethyl)-1h-imidazole

1-(Difluoromethyl)-1h-imidazole

1-(Difluoromethyl)-1h-imidazole ,95+%

CAS 91459-68-6
? ??? C4H4F2N2 MolWeight 118.08
?? sales@hairuichem.com
Cat.No. HR258122
?? ?? 1-(Difluoromethyl)-1h-imidazole
CAS 91459-68-6

?? ??