Cn1nc(-c2ccccc2)ccc1=NCCN1CCOCC1 mol15026 0_1 Cn1nc(-c2ccccc2)ccc1=NCC[NH+]1CCOCC1 mol15026 1_1 Cn1nc(-c2ccccc2)ccc1=[NH+]CCN1CCOCC1 mol15026 1_2 Cn1[nH+]c(-c2ccccc2)ccc1=NCCN1CCOCC1 mol15026 1_3