Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride 99%, powder 2421-28-5 C₁₇H₆O₇ 322.23 g./mol ฿3,790.00 View
7-Bromo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine 95% 946121-78-4 C₇H₇BrN₂O 215.05 g./mol ฿2,340.00 View
