The chemical with the SMILES O=C(O)c1cc(O)c2c3nc4ccccc4oc-3cc(=O)c2n1 shows a log10 LD50 in rats (oral exposure) of 4.00 log10(mg/kg).
The {#molecule|chemical|compound!} with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} a {log10_LD50__names__noun} of {log10_LD50#} {log10_LD50__units}.
1-hydroxy-5-oxopyrido[3,2-a]phenoxazine-3-carboxylicacid