Cc1cc(C)c(C2C(=O)CC3(CCOCC3)CC2=O)c(C)c1 mol2718 0_1 Cc1cc(C)c(C2C(=O)[CH-]C3(CCOCC3)CC2=O)c(C)c1 mol2718 -1_1 Cc1cc(C)c([C-]2C(=O)CC3(CCOCC3)CC2=O)c(C)c1 mol2718 -1_2