储存温度:室温;分子式:C20H30O5;分子量:350.46;别名:Andrographis;Certification:This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).;;运输条件:ambient conditions;Commodity description:lactone;Occurrence:Andrographis sp.;