日韩美女一区二区三区,68日本xxxxxxxxx视频图,啪啪www,julia一区二区三区,制服丝袜自拍偷拍,欧洲精品在线视频,极品美女国产精品免费一区

Products 

Product Name	N-(Triphenylmethyl)-5-(4'-bromomethylbiphenyl-2-yl-) tetrazole

Molecular formula:	C34H25N3Br
Structural formula:
Appearance:	White to off-white crystalline powder
Standard:	96.0% min
CAS NO.	[124750-51-2]