R_OH_phar [H]O[C@@]1([H])C([H])([H])N2[C@]([H])(C1([H])[H])[C@]1([H])C(=O)N(C(=O)[C@]1([H])[C@@]21C(=O)N([H])C2=C1C([H])=C(Cl)C([H])=C2[H])C1=C([H])C2=C(OC([H])([H])C([H])([H])O2)C([H])=C1[H] GS143 [H]OC(=O)C1=C([H])C([H])=C(C([H])=C1[H])N1N=C(\C(=C(\[H])C2=C([H])C([H])=C(O2)C2=C([H])C([H])=C([H])C([H])=C2F)C1=O)C([H])([H])C1=C([H])C([H])=C([H])C([H])=C1[H] aspirin C1=CC=CC=C1C(=O)OC(C)C ibuprofen CC(C)CC1=CC=C(C=C1)C(C)C(=O)O