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DMI ref. omg025     Image title: Indole | 27.58 Copyright 2006 David Malin Images Indole, 1-Benzo-[b]-pyrrole, CAS# 120-72-9), from chloroform solution. A white crystalline compound, obtained from coal tar or various plants and produced by the bacterial decomposition of tryptophan in the intestine. It is used in perfumery and as a reagent. Polarized light, 1/4-wave plate