O=C(Cc1ccccc1)NC1=C(c2ccoc2)C(=O)c2ccccc2C1=O mol19224 0_1 O=C([CH-]c1ccccc1)NC1=C(c2ccoc2)C(=O)c2ccccc2C1=O mol19224 -1_1 O=C(Cc1ccccc1)[N-]C1=C(c2ccoc2)C(=O)c2ccccc2C1=O mol19224 -1_2