1 QNZ (E)-3-(2-(4-cyanostyryl)-4-oxoquinazolin-3(4h)-yl)benzoic acid 1.000 2 QLN 3-[2-[(~{E})-2-(4-ethynylphenyl)ethenyl]-4-oxidanylidene-quinazolin-3-yl]benzoic acid 0.935