上游原料
4-Bromotoluene; 1-Bromo-4-methylbenzene4-(Benzyloxy)-3-methoxybenzaldehyde; 4-Benzyloxy-3-methoxybenzaldehyde[4-(Benzyloxy)-3-methoxyphenyl](4-methylphenyl)methanol[4-(Benzyloxy)-3-methoxyphenyl](4-methylphenyl)methanone(4-Hydroxy-3-methoxyphenyl)(4-methylphenyl)methanone(4-Hydroxy-3-methoxy-5-nitrophenyl)(4-methylphenyl)methanone