and pharmaceutical intermediates such as veratraldehyde, isovanillin, sufurol, diacetyl, acetoin, and 2, 5-dimethyl pyrazine.

• 医药中间体产品有：藜芦醛、异香兰素、硫噻唑、丁二酮、乙偶姻、2,5-二甲基吡嗪等。