4'-HYDROXYCINNAMIC ACID non-polymer HETAIN C9 H8 O3 PARA-COUMARIC ACID 0 1999-07-08 2021-03-01 N REL 164.158 HC4 N N 1F9I RCSB C1 C 0 1 N N N 11.956 2.805 -19.511 0.094 0.004 3.319 C1 HC4 1 O1 O 0 1 N N N 12.056 3.101 -20.721 -1.057 0.010 3.710 O1 HC4 2 O2 O 0 1 N Y N 10.764 3.664 -18.490 1.108 0.003 4.209 O2 HC4 3 C2 C 0 1 N N N 12.758 1.884 -18.770 0.370 -0.001 1.929 C2 HC4 4 C3 C 0 1 N N N 13.614 1.066 -19.408 -0.645 -0.000 1.038 C3 HC4 5 C1' C 0 1 Y N N 14.595 0.230 -18.814 -0.359 -0.006 -0.402 C1' HC4 6 C2' C 0 1 Y N N 15.345 -0.662 -19.605 -1.409 -0.005 -1.327 C2' HC4 7 C3' C 0 1 Y N N 16.288 -1.492 -19.029 -1.136 -0.010 -2.676 C3' HC4 8 C4' C 0 1 Y N N 16.533 -1.457 -17.659 0.181 -0.017 -3.121 C4' HC4 9 C5' C 0 1 Y N N 15.875 -0.497 -16.898 1.228 -0.018 -2.207 C5' HC4 10 C6' C 0 1 Y N N 14.925 0.315 -17.463 0.965 -0.007 -0.855 C6' HC4 11 O4' O 0 1 N N N 17.342 -2.336 -17.104 0.445 -0.021 -4.452 O4' HC4 12 HO2 H 0 1 N N N 10.688 3.439 -17.570 0.708 0.008 5.089 HO2 HC4 13 H2 H 0 1 N N N 12.715 1.801 -17.670 1.393 -0.006 1.581 H2 HC4 14 H3 H 0 1 N N N 13.502 1.082 -20.505 -1.668 0.005 1.385 H3 HC4 15 H2' H 0 1 N N N 15.191 -0.711 -20.696 -2.433 -0.000 -0.983 H2' HC4 16 H3' H 0 1 N N N 16.851 -2.190 -19.670 -1.946 -0.010 -3.391 H3' HC4 17 H5' H 0 1 N N N 16.110 -0.377 -15.827 2.250 -0.023 -2.557 H5' HC4 18 H6' H 0 1 N N N 14.416 1.051 -16.818 1.779 -0.008 -0.146 H6' HC4 19 'HO4 H 0 0 N N N 17.509 -2.312 -16.169 0.503 0.903 -4.729 HO4' HC4 20 doub N N 1 sing N N 2 sing N N 3 sing N N 4 doub N E 5 sing N N 6 sing N N 7 sing N N 8 doub Y N 9 sing Y N 10 sing Y N 11 sing N N 12 doub Y N 13 sing N N 14 sing Y N 15 sing N N 16 doub Y N 17 sing N N 18 sing N N 19 sing N N 20 O=C(O)/C=C/c1ccc(O)cc1 OC(=O)\C=C\c1ccc(O)cc1 OC(=O)C=Cc1ccc(O)cc1 c1cc(ccc1\C=C\C(=O)O)O c1cc(ccc1C=CC(=O)O)O InChI=1S/C9H8O3/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6,10H,(H,11,12)/b6-3+ NGSWKAQJJWESNS-ZZXKWVIFSA-N (2E)-3-(4-hydroxyphenyl)prop-2-enoic acid (E)-3-(4-hydroxyphenyl)prop-2-enoic acid RCSB RCSB PDBE