英文别名7-ethoxy-6-methoxy-2,2-dimethyl-2H-chromene; 7-ethoxy-6-methoxy-2,2-dimethylchromene; Ethoxyprecocene; precocene 3; 6-methoxy-7-ethoxy-2,2-dimethyl-2H-chromene; 7-Ethoxyprecocene; 7-Ethoxy-6-methoxy-2,2-dimethyl-2H-benzopyran; 7-ethoxy-6-methoxy-2,2-dimethyl-2H-1-benzopyran; 7-ethoxy-6-methoxy-2,2-dimethyl-2h-chromen 
