亚洲精品aⅴ在线观看,综合久久狠狠色99h中午,欧美日韩中文 ,天天摸天天爽天天碰天天弄,国外自产拍无码精品视频在线观看,91成人免费福利网

Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

CollectionHomepage中文版

More>>
Methyl acetoacetate
Product name: Methyl acetoacetate
CAS NO: 105-45-3
Molecular weight: 116.1152 
EC NO: 203-299-8
Molecular formula: C5H8O3
InChI: InChI=1/C5H8O3/c1-4(6)3-5(7)8-2/h3H2,1-2H3
Structural formula:
  Order                   Back