COc1cc(N)nc(OC)n1    mol7039    0_1
COc1cc([NH3+])nc(OC)n1    mol7039    1_1
COc1cc(N)[nH+]c(OC)n1    mol7039    1_2
COc1cc(N)nc(OC)[nH+]1    mol7039    1_3