O=C1CCC(Cc2ccccc2)=C1O mol17283 0_1 O=C1[CH-]CC(Cc2ccccc2)=C1O mol17283 -1_1 O=C1C[CH-]C(Cc2ccccc2)=C1O mol17283 -1_2 O=C1CCC(Cc2ccccc2)=C1[O-] mol17283 -1_3 O=C1CCC([CH-]c2ccccc2)=C1O mol17283 -1_4