CCCc1c([O-])[nH][nH+]c1-c1ccccc1 mol15730 0_1 CCCc1c(-c2ccccc2)n[nH]c1O mol15730 0_2 CCCc1c(-c2ccccc2)n[nH]c1[O-] mol15730 -1_1 CCCc1c(-c2ccccc2)n[n-]c1O mol15730 -1_2