Figure 2

The antiproliferative activities of the seven 2,3-dihydroquinazolin-4(1H)-one analogues (C1–C7) against PC3 (A) and DU145 (B). aSignificant difference in comparison to C1 and C4. bSignificant difference in comparison to C1, C4, C6. cSignificant difference in comparison to C1, C4, C6 and C7. dSignificant difference in comparison C1, C3, C4, C6 and C7. esignificant difference in comparison to all compounds except C2. fsignificant difference in comparison to C1, C3, C4 and C6. One-way ANOVA analysis using Tukey’s post hoc test was used to indicate significance (P-value ≤ 0.05).