成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

3749-34-6

Ethanone, 1-(3,4-dihydro-2H-pyran-2-yl)- synthesis

5synthesis methods
-

Yield:3749-34-6 32%

Reaction Conditions:

with hydroquinone in benzene at 190; for 2 h;parr bomb;

References:

Ibrahim;Eggimann;Dixon;Wieser [Tetrahedron,1990,vol. 46,# 5,p. 1503 - 1514]