CC(C)C(=[NH2+])N[O-] mol28004 0_1 CC(C)C(=N)NO mol28004 0_2 CC(C)C(=[N-])NO mol28004 -1_1 CC(C)C(=N)[N-]O mol28004 -1_2 CC(C)C(=N)N[O-] mol28004 -1_3