天天夜夜操,午夜黄色福利视频,俺来也俺去,男男互操视频,国内美女视频直播,美女视频中国,美女视频黄的免费一一美女

Current position：Home>Products> Intermediates
2-Ethoxy-3,4-dihydro-2H-pyran
Product Name 2-Ethoxy-3,4-dihydro-2H-pyran
CAS No. 103-75-3
Content

1) Appearance: colorless clear liquid
2) Packaging: tank car
3) UN code: 3271 PG: Ⅱ Hazard class: 3
4) HS code: 2932999099
Structural formula 2-Ethoxy-3,4-dihydro-2H-pyran
Headquarters:
ZhenXing Lin

+86-18062697766

Company Address:27 Donghuan Road, Jiangling County, Jingzhou City, Hubei Province

xinjing

Copyright(C)2023,Jingzhou Xinjing Chemical Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice 鄂ICP備2021022126號(hào)-1