The Chemistry of Indoles. Part 103. Simple Syntheses of Serotonin, N-Methylserotonin, Bufotenine, 5-Methoxy-N-methyltryptamine, Bufobutanoic Acid, N-(Indol-3-yl)methyl-5-methoxy-N-methyltryptamine, and Lespedamine Based on 1-Hydroxyin