天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)-

2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)- ??? ???
?? ??:
1189755-26-7
???:
2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)-
???(??):
3-(Aminomethylene)-2H-1-benzopyran-2,4(3H)-dione;2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)-
CBNumber:
CB58244063
???:
C10H7NO3
??? ??:
189.17
MOL ??:
1189755-26-7.mol

2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)- ??

???
240-241 °C(Solv: ethanol (64-17-5))
?? ?
349.5±42.0 °C(Predicted)
??
1.517±0.06 g/cm3(Predicted)
?? ?? (pKa)
2.19±0.20(Predicted)

??

2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)- C??? ??, ??, ??

2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)- ?? ?? ? ???

???

?? ??

4-HYDROXY-2-OXO-2H-??-3-???????

2H-1-Benzopyran-2,4(3H)-dione, 3-(aminomethylene)- ?? ??

???( 0)?? ??
??? ?? ??? ?? ?? ? ??
Copyright 2019 ? ChemicalBook. All rights reserved