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

1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester

1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester ??? ???
?? ??:
72668-49-6
???:
1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester
???(??):
Ethyl 1,2-dihydro-4-hydroxy-2-oxo-1,6-naphthyridine-3-carboxylate;1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester
CBNumber:
CB210104224
???:
C11H10N2O4
??? ??:
234.21
MOL ??:
72668-49-6.mol

1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester ??

???
238-240 °C
?? ?
491.4±45.0 °C(Predicted)
??
1.442±0.06 g/cm3(Predicted)
?? ?? (pKa)
10.45±0.60(Predicted)

??

1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester C??? ??, ??, ??

1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester ?? ?? ? ???

???

?? ??


1,6-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester ?? ??

???( 1)?? ??
??? ?? ??? ?? ?? ? ??
Zibo Hangyu Biotechnology Development Co., Ltd
+86-0533-2185556 +8617865335152
Mandy@hangyubiotech.com China 10986 58

Copyright 2019 ? ChemicalBook. All rights reserved