亚洲欧美激情在线|欧美日本免费在线观看|国产激情视频免费播放|亚洲精品中文字幕久久不卡|一区二区三区国产精品保安|亚洲一级毛片免费在线观看|国产精品无码久久久一区蜜臀|国产成人无码午夜视频在线播放

Professional development and production of pharmaceutical intermediate products

The main products are: rebamipide, 2,3-dibromo-2-butene-1,4-diol, 2-acetoxyisobutyryl chloride, ethyl silicate (condensation), anhydrous lithium bromide, a Methylamine methanol solution, tetradecyl trimethyl ammonium bromide.