50332-08-6 5H-1,3-DIOXOLO(4,5-f)INDOLE-7-ACETIC ACID, 6-METHYL-5-(2-THENOYL)- 5H-1,3-Dioxolo(4,5-f)indole-7-acetic acid, 6-methyl-5-(2-thienylcarbonyl)- 6-Methyl-5-(2-thenoyl)-5H-1,3-dioxolo(4,5-f)indole-7-acetic acid