1-Ethyl-8-(1'-hydroxyethyl)-1,3,4,9-tetrahydropyrano(3,4-b)-indole-1-acetic acid 1-Ethyl-8-(1'-hydroxyethyl)-1,3,4,9-tetrahydropyrano(3,4-b)indole-1-acetic acid 101901-08-0 CCRIS 5405 Pyrano(3,4-b)indole-1-acetic acid, 1,3,4,9-tetrahydro-1-ethyl-8-(1-hydroxyethyl)- RAK-903