异甘草素，分子式：(E)-1-(2，4-二羟基苯基)-3-(4-羟基苯基)-2-丙烯-1-酮；4，2'，4'-三羟基查耳酮。黄色粉末。是化妆品助剂、也用于食品添加剂。【英文别名】2'，4'，4-TRIHYDROXYCHALCONE; 4，2'，4'-TRIHYDROXYCHALCONE; (e)-1-(2，4-dihydroxyphenyl)-3-(4-hydroxyphenyl)-2-propen-1-one; ISOLIQUIRITIGENIN; 2’，4，4’-trihydroxy-chalcon; 4，4’-trihydroxychalcone(e)-2; 4-dihydroxyphenyl)-3-(4-hydroxyphenyl)-1-((e)-2-propen-1-on; gu17; Isqliquiritigenin; ISOLIQUIRTEGENIN (2'，4，4'-TRIHYDROXYCHAL; ISOLIQUIRITIGENIN(P); ISOLIQUIRITIGENIN(RG); (E)-1-(2，4-Dihydroxyphenyl)-3-(4-hydroxyp