Chemical structures of recently studied heparin conjugates and heparin-mimic biomolecules. Heparin or the heparin-mimic moiety in the molecule is expressed as a stick, while the conjugate is expressed as a sphere. The molecular structures were visualized using the PyMOL (the PyMOL Molecular Graphics System, Version 2.5.0, Schrödinger) program. SuraD, suramin fragment and deoxycholic acid conjugate; EnoxaTD, enoxaparin and TetraDOCA conjugate; LHbisD4, LMWH and bisDOCA conjugate; Lpep, LMWH and peptide conjugate; LCY, LMWH and chrysin conjugate; HP-Ppa-SS-mPEG, PEG-detachable pyropheophorbide-a (Ppa)-functionalized heparin; LHsura, LMWH, and suramin fragment conjugate.