1,8-Diethyl-1,3,4,9-tetrahydro-7-hydroxypyrano (3,4-b)indole-1-acetic acid 1,8-Diethyl-1,3,4,9-tetrahydro-7-hydroxypyrano(3,4-b)indole-1-acetic acid 1,8-Diethyl-7-hydroxy-1,3,4,9-tetrahydropyrano(3,4-b)indole-1-acetic acid 101901-07-9 BRN 5111552 CCRIS 5404 Pyrano(3,4-b)indole-1-acetic acid, 1,3,4,9-tetrahydro-1,8-diethyl-7-hydroxy- RAK 902