2,2-Dimethoxy-2-phenylacetophenoneα,α-Dimethoxy-α-phenylacetophenoneBenzil α,α-dimethyl acetalBenzil dimethyl ketal2,2-Dimethoxy-1,2-diphenylethanone2,2-二甲氧基-苯基苯乙酮苯偶酰α,α-二甲基乙缩醛α,α-二甲氧基-α-苯基苯乙酮2,2-Dimethoxy-2-phenylacetophenoneBDK (Benzildimethylketal)