diethyl 1,2,5-oxadiazole-3,4-dicarboxylate 2-oxide

N,N-二甲基-N'-苯基甲脒

二甲氨基亚甲基二磷酸四乙酯

3-methyl-1-(3-methylbut-2-enyl)indole-2-carbaldehyde

8-硝基-4-氧代-4H-1-苯并吡喃-3-甲醛