Oc1nsc2c1CCNCC2 mol21117 0_1 [O-]c1nsc2c1CC[NH2+]CC2 mol21117 0_2 Oc1[nH+]sc2c1CCNCC2 mol21117 1_1 Oc1nsc2c1CC[NH2+]CC2 mol21117 1_2 Oc1[nH+]sc2c1CC[NH2+]CC2 mol21117 2_1 [O-]c1nsc2c1CCNCC2 mol21117 -1_1