Propylidenephthalide17369-59-4100 % similar Butylidenephthalide551-08-671 % similar Benzylidenephthalide575-61-156 % similar Phthalic anhydride85-44-953 % similar 3-(P-Chlorobenzylidene)phthalide20526-97-049 % similar Diethyl phthalate84-66-249 % similar Dipropyl phthalate131-16-846 % similar Dimethyl phthalate131-11-344 % similar Dibutyl phthalate84-74-244 % similar Dipentyl phthalate131-18-043 % similar Diallyl phthalate131-17-942 % similar Di-N-octyl phthalate117-84-041 % similar Diheptyl phthalate3648-21-341 % similar Dihexyl phthalate84-75-341 % similar Dinonyl 1,2-benzenedicarboxylate84-76-441 % similar Didecyl phthalate84-77-541 % similar Bis(2-methoxyethyl) phthalate117-82-841 % similar Homophthalic anhydride703-59-341 % similar Diisobutyl phthalate84-69-541 % similar Diisopropyl phthalate605-45-841 % similar