2-[2-(4-nitrophenyl)ethenyl]-1,3-benzoxazole

甲基1,3-苯并恶唑-2-基乙酸酯

N-benzyl-N-methoxy-9-methylpurin-6-amine

dimethyl 2-(2-hydroxy-2-methylbenzo[d]oxazol-3(2H)-yl)but-2-enedioate

3-nitro-[1,3]benzoxazolo[3,2-a]quinolin-12-ium,chloride