美女裸体无遮掩免费网站_免费人成网站在线观看不_亚洲国产AⅤ美女黄网站_人妻αⅴ中文字幕

Products

People oriented, science and technology first, and win-win cooperation

2-Coumaranone

Product name 2-Coumaranone
Alias 2-Coumaranone;benzofuran-2(3H)-one; 3H-benzofuran-2-one; 2(3H)-2-Coumaranone; 2-coumaranone; phenylpropan-2(3H)-one
CAS RN 553-86-6
EINECS No. 209-052-0
Molecular formula C8H6O2
Molecular weight 134.132