C21 H24 N4 O2 364.441 3-(2-ethoxyphenyl)-2-(piperazin-1-ylmethyl)quinazolin-4-one N 0 Corina N 2026-07-21 32QP N 2026-07-24 PDBE REL HETAIN A1KEH non-polymer O1 0 15.298 13.593 2.891 1 N O1 A1KEH N -2.320 -2.072 0.896 1 N O C1 0 14.728 12.853 3.675 1 N C2 A1KEH N -1.191 -1.739 0.586 2 N C N1 0 15.035 11.479 3.720 1 N N3 A1KEH N -0.827 -0.436 0.553 3 N N C2 0 14.400 10.615 4.612 1 N C4 A1KEH N 0.438 -0.079 0.203 4 N C C3 0 14.865 9.180 4.626 1 N C5 A1KEH N 0.789 1.386 0.183 5 N C N2 0 16.313 9.121 4.999 1 N N6 A1KEH N 2.193 1.548 -0.218 6 N N C4 0 16.575 9.733 6.340 1 N C7 A1KEH N 2.507 2.960 -0.478 7 N C C5 0 18.055 9.745 6.633 1 N C8 A1KEH N 3.952 3.077 -0.969 8 N C N3 0 18.608 8.367 6.574 1 N N9 A1KEH N 4.857 2.518 0.045 9 N N C6 0 18.330 7.707 5.265 1 N C10 A1KEH N 4.543 1.106 0.306 10 N C C7 0 16.850 7.723 4.959 1 N C11 A1KEH N 3.098 0.989 0.796 11 N C N4 0 13.473 10.978 5.434 1 N N12 A1KEH N 1.360 -0.938 -0.114 12 N N C8 0 13.122 12.331 5.474 1 Y C13 A1KEH N 1.117 -2.272 -0.118 13 N C C9 0 13.700 13.278 4.621 1 Y C14 A1KEH N -0.169 -2.736 0.237 14 N C C10 0 13.334 14.618 4.706 1 Y C15 A1KEH N -0.441 -4.103 0.245 15 N C C11 0 12.397 15.015 5.645 1 Y C16 A1KEH N 0.555 -4.995 -0.091 16 N C C12 0 11.822 14.088 6.489 1 Y C17 A1KEH N 1.821 -4.543 -0.435 17 N C C13 0 12.178 12.751 6.412 1 Y C18 A1KEH N 2.108 -3.196 -0.459 18 N C C14 0 16.011 10.987 2.770 1 Y C19 A1KEH N -1.762 0.556 0.881 19 N C C15 0 15.629 10.154 1.720 1 Y C20 A1KEH N -1.886 0.987 2.194 20 N C C16 0 16.588 9.706 0.828 1 Y C21 A1KEH N -2.805 1.968 2.514 21 N C C17 0 17.907 10.080 0.972 1 Y C22 A1KEH N -3.602 2.523 1.530 22 N C C18 0 18.298 10.908 2.014 1 Y C23 A1KEH N -3.484 2.098 0.219 23 N C C19 0 17.347 11.361 2.912 1 Y C24 A1KEH N -2.565 1.115 -0.111 24 N C O2 0 17.610 12.200 3.966 1 N O25 A1KEH N -2.444 0.700 -1.400 25 N O C20 0 18.957 12.554 4.268 1 N C26 A1KEH N -3.300 1.317 -2.363 26 N C C21 0 18.923 13.450 5.441 1 N C27 A1KEH N -3.022 0.726 -3.746 27 N C H1 0 14.275 8.612 5.360 1 N H1 A1KEH N 0.146 1.904 -0.528 28 N H H2 0 14.727 8.741 3.627 1 N H2 A1KEH N 0.644 1.808 1.178 29 N H H4 0 16.196 10.766 6.347 1 N H4 A1KEH N 1.831 3.348 -1.241 30 N H H5 0 16.057 9.147 7.113 1 N H5 A1KEH N 2.387 3.535 0.440 31 N H H6 0 18.566 10.373 5.888 1 N H6 A1KEH N 4.065 2.525 -1.901 32 N H H7 0 18.222 10.159 7.638 1 N H7 A1KEH N 4.195 4.126 -1.135 33 N H H8 0 18.195 7.822 7.304 1 N H8 A1KEH N 4.825 3.059 0.897 34 N H H10 0 18.679 6.664 5.306 1 N H10 A1KEH N 4.663 0.531 -0.613 35 N H H11 0 18.868 8.243 4.469 1 N H11 A1KEH N 5.219 0.718 1.068 36 N H H12 0 16.321 7.112 5.705 1 N H12 A1KEH N 2.985 1.541 1.729 37 N H H13 0 16.685 7.302 3.956 1 N H13 A1KEH N 2.854 -0.060 0.962 38 N H H14 0 13.779 15.345 4.043 1 N H14 A1KEH N -1.424 -4.460 0.512 39 N H H15 0 12.115 16.055 5.717 1 N H15 A1KEH N 0.348 -6.055 -0.085 40 N H H16 0 11.089 14.407 7.215 1 N H16 A1KEH N 2.590 -5.255 -0.695 41 N H H17 0 11.724 12.033 7.079 1 N H17 A1KEH N 3.096 -2.856 -0.729 42 N H H18 0 14.596 9.861 1.604 1 N H18 A1KEH N -1.265 0.555 2.965 43 N H H19 0 16.301 9.058 0.013 1 N H19 A1KEH N -2.901 2.303 3.537 44 N H H20 0 18.643 9.725 0.266 1 N H20 A1KEH N -4.318 3.289 1.785 45 N H H21 0 19.333 11.196 2.123 1 N H21 A1KEH N -4.108 2.532 -0.548 46 N H H22 0 19.540 11.651 4.501 1 N H22 A1KEH N -4.341 1.136 -2.093 47 N H H23 0 19.411 13.073 3.411 1 N H23 A1KEH N -3.111 2.391 -2.382 48 N H H24 0 19.948 13.747 5.706 1 N H24 A1KEH N -1.981 0.907 -4.016 49 N H H25 0 18.333 14.347 5.200 1 N H25 A1KEH N -3.210 -0.347 -3.727 50 N H H26 0 18.462 12.925 6.290 1 N H26 A1KEH N -3.674 1.197 -4.481 51 N H Y 1 N doub Y 2 N sing Y 3 N sing Y 4 N doub Y 5 N doub Y 6 N sing N 7 N sing N 8 N doub N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N doub Y 17 N doub Y 18 N sing N 19 N sing Y 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing Y 26 N doub Y 27 N doub N 28 N sing Y 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N sing N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N sing PDBE RCSB InChI=1S/C21H24N4O2/c1-2-27-19-10-6-5-9-18(19)25-20(15-24-13-11-22-12-14-24)23-17-8-4-3-7-16(17)21(25)26/h3-10,22H,2,11-15H2,1H3 OBWOSMGNXYUDFB-UHFFFAOYSA-N CCOc1ccccc1N2C(=O)c3ccccc3N=C2CN4CCNCC4 CCOc1ccccc1N2C(=O)c3ccccc3N=C2CN4CCNCC4 CCOc1ccccc1N2C(=Nc3ccccc3C2=O)CN4CCNCC4 CCOc1ccccc1N2C(=Nc3ccccc3C2=O)CN4CCNCC4 3-(2-ethoxyphenyl)-2-(piperazin-1-ylmethyl)quinazolin-4-one