[O-]c1cc(C2CC[NH2+]CC2)sn1 mol16714 0_1 Oc1cc(C2CCNCC2)sn1 mol16714 0_2 Oc1cc(C2CC[NH2+]CC2)sn1 mol16714 1_1 Oc1cc(C2CCNCC2)s[nH+]1 mol16714 1_2 [O-]c1cc(C2CCNCC2)sn1 mol16714 -1_1