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

2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl-

2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl- ??? ???
?? ??:
3046438-77-8
???:
2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl-
???(??):
6-Acetyl-3-amino-5-methylpyrazine-2-carbonitrile;2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl-
CBNumber:
CB214728338
???:
C8H8N4O
??? ??:
176.18
MOL ??:
3046438-77-8.mol

2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl- ??

?? ?
433.0±45.0 °C(predicted)
??
1.30±0.1 g/cm3(Temp: 20 °C; Press: 760 Torr)(predicted)
?? ?? (pKa)
0.06±0.10(predicted)

??

2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl- C??? ??, ??, ??

2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl- ?? ?? ? ???

???

?? ??


2-Pyrazinecarbonitrile, 6-acetyl-3-amino-5-methyl- ?? ??

???( 1)?? ??
??? ?? ??? ?? ?? ? ??
Shanghai Haohong Scientific Co., Ltd. 400-400-8210725 17717813675;
malulu@leyan.com China 39990 58

Copyright 2019 ? ChemicalBook. All rights reserved