1 2 3 4 tetrahydrocarbazole colour July 8, 2019 16 32 64 128 1 2 3 4-tetrahydro-β-carboline 1 2 3 4-tetrahydronaphthalene-1-carboxylic acid 1 2 3 4-tetrahydro-beta-carboline 1 2 3 4-tetrahydroxybutane 1 2 3 4-tetrahydro-beta-carboline molecular weight
