中文字字幕在线中文乱码-久艹在线-高清乱码免费-中文字幕乱码在线人视频-91在线精品李宗瑞-四房激情-国产精品a久久久久-亚洲黄色大全-一本大道伊人av久久综合-亚洲最新在线-中文字幕一区二区人妻-国产在线97-av成人动漫-国产精品不卡在线观看-夜夜撸小说-免费三级黄色-91捆绑91紧缚调教91-免费在线看黄视频-免费色网址-婷婷黄色网-亚洲精品天堂网-免费激情小视频-综合色爱-九九热最新网址-亚洲春色在线观看-午夜影院中文字幕-国产超碰91-蜜桃视频传媒-69**夜色精品国产69乱-丰满少妇做爰视频爽爽和

Product Categories

Products >> Intermediate

Intermediate

Products Specification Appearance Packing
2-(N,N-Diacetoxyethyl)amino-4-acetami-doanisole,solution in acetic acid 60% Dark brown liquid 100kg
N,N-Diacetoxyethyl-3-acetqamido aniline,solution in acetic acid 45% Dark brown liquid 100kg
N-Acetoxyethyl-N-cyanoethyl aniline,solution in acetic acid 50% Dark brown liquid 100kg
2-[N,N-Di(γ-propenyl)]amino-4-acetamido anisole 70% Grey paste form 50kg
3-Chloro-di(β-hydroxyethyl)aniline 98% Grey hour powder 50kg
2-Amino-5-nitrothiazole 98% White powder 50kg
2-Amino-5-nitrothiazole 98% Yellow powder 50kg
N,N-Di(β-cyanoethyl)aniline 99% Light brown cyystal 50kg
3-Cyno-4-ethyl-6-hydroxy-4-methyl-2-pyridone 98% Grey white powder 50kg
2-Amino-6-nitrobenzothiazole 98% Yellow powder 50kg