Figure 1.
Chemical structure: (a) 3a,10b-dihydro-1H-cyclopenta[b]naphtho[2,3-d]furan-5,10-dione (IVS320), (b) hydroxypropyl methylcellulose (HPMC), (c) polyethylene glycol (PEG), and (d) polyvinylpyrrolidone (PVP).
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