CCCCc1cc2ccccc2c(OCCN(C)C)n1 mol33761 0_1 CCCCc1cc2ccccc2c(OCCN(C)C)[nH+]1 mol33761 1_1 CCCCc1cc2ccccc2c(OCC[NH+](C)C)n1 mol33761 1_2