久久久久人妻啪啪一区二区,精品国产一区二区三区久久久毛片

<big id="5bbmc"></big>

熱門(mén)搜索化學(xué)品最多只顯示前20條，請(qǐng)點(diǎn)擊“搜索化學(xué)品”查看所有結(jié)果

CAS登錄號(hào)

中文名

英文名

分子結(jié)構(gòu)式

分子式

詳情

供應(yīng)商

3,5-二氟-2,6-二氨基吡啶

3,5-Difluoropyridine-2,6-diamine;
2,6-Diamino-3,5-difluoropyridine

C5H5F2N3

Pyridine,2,4-difluoro-6-hydrazinyl-;
2(1H)-Pyridinone,4,6-difluoro-, hydrazone (9CI);
4,6-Difluoro-2-hydrazinopyridine

C5H5F2N3

2-Pyrimidinamine,4,6-difluoro-5-methyl-;
Pyrimidine,2-amino-4,6-difluoro-5-methyl- (8CI)

C5H5F2N3

2-Pyrimidinamine,4-fluoro-6-(fluoromethyl)-;
2-Pyrimidinamine, 4-fluoro-6-(fluoromethyl)- (9CI)

C5H5F2N3

4-Pyrimidinamine,2,6-difluoro-5-methyl-;
Pyrimidine,4-amino-2,6-difluoro-5-methyl- (8CI)

C5H5F2N3

毛片免费视频观看,久久亚洲国产精品123区,精品无人区麻豆乱码1区2区新区,久久久亚洲av成人网站,久久人人爽人人爽人人av东京热