COc1cc2c(cc1OC)-c1c(-c3cncs3)nc(C)n1CC2 mol21151 0_1 COc1cc2c(cc1OC)-c1c(-c3c[nH+]cs3)nc(C)n1CC2 mol21151 1_1 COc1cc2c(cc1OC)-c1c(-c3cncs3)[nH+]c(C)n1CC2 mol21151 1_2