Cc1cc(C(O)=C(C#N)C#N)cc(C)c1O mol14440 0_1 Cc1cc(C(O)=C(C#N)C#N)cc(C)c1[O-] mol14440 -1_1 Cc1cc(C([O-])=C(C#N)C#N)cc(C)c1O mol14440 -1_2