Phenyl-(2,4,6-trimethylphenyl)-ketimin

2,4,5,2',4',5'-hexahydroxy-7,7'-dimethyl-9H,9'H-[1,1']bianthryl-10,10'-dione

芦荟大黄素

2,5-二甲基二苯甲酮

大黄素