COc1cc2c(cc1OC)-c1c(-c3cccnc3)[nH+]c(C)n1CC2 mol21153 1_1 COc1cc2c(cc1OC)-c1c(-c3ccc[nH+]c3)nc(C)n1CC2 mol21153 1_2 COc1cc2c(cc1OC)-c1c(-c3ccc[nH+]c3)[nH+]c(C)n1CC2 mol21153 2_1