Chiral Resolution, Absolute Configuration Assignment, and Genotoxicity Evaluation of Racemic 3,4-Dihydroquinazoline as a Novel Anticancer Agent

Figure 4

¹H NMR spectra of (a) a mixture of diastereomeric esters 8a and 8b; (b) (S, 4R)-8a; (c) (S, 4S)-8b.