L-Valine ethyl ester hydrochloride 4-硝基苯乙胺氢溴酸盐69447-84-3 ≥98% 类白色粉末
N-(4-nitrophenylethyl)acetamide N-(4-硝基苯乙基)乙酰胺;
N-methyl-N-(2-(4-aminophenoxy)ethyl)-2-(4-aminophenyl)ehtanamine N-甲基-N-4-氨基苯氧乙基--4-氨基苯乙胺 115256-13-8 ≥98% 类白色至浅黄色粉末
1-(2-Bromoethoxy)-4-nitrobenzene 1-(2-溴乙氧基)-4-硝基苯1