2-Amino-N-(2-(5-hydroxy-1H-indol-3-yl)ethyl)acetamide tartrate hydrate 61059-57-2 Acetamide, 2-amino-N-(2-(5-hydroxy-1H-indol-3-yl)ethyl)-, (R-(R*,R*))-2,3- dihydroxybutanedioate, (salt), hydrate, (1:1:1)