6,8-dibromo-2,2-diethyl-3H-1,3-benzoxazin-4-one

(Z)-3-ethyl-2-nitro-3-pentene

3-ethyl-4-nitropent-2-ene

3-oxopentan-2-yl(triphenyl)phosphanium,bromide

4,4-二乙基-2,2-二甲基-1-氧代-3H-吡咯-1-鎓