久久九九99,九九热播视频,久久久全国免费视频,久夜片视频在线观看视频,中文成人Av人妻综合,国产9

	Tetracaine·HCL
	Tetracaine
	Dyclonine Hydrochloride

	Bis(2-chloroethyl)am
	Ethyldiisopropylamin
	3-Chloropropylamine·
	Tripherylchlorometha
	Diethyl iminodiaceta

	1,1,1-tris(4-hydroxy
	N,N-Dimethylpropiona
	BPTMC;BISP-TMC; Bisp...
	4,4'-Dichlorobenzoph

3-3'-Dimethyl-1-Butyne

Category:Intermediate
Generic name :3,3-Dimethyl-1-butyne
CAS No.:917-92-0
Structure formula:
Appearance:Colorless transparent volatile liquid
Main specification:≥95 %

【BACK】

蘇公網(wǎng)安備 32048202000188號

久久九九99,九九热播视频,久久久全国免费视频,久 夜片视频在线观看视频,中文成人Av人妻综合,国产9

久久九九99,九九热播视频,久久久全国免费视频,久夜片视频在线观看视频,中文成人Av人妻综合,国产9