Synthetics
Petitgrain heptane has no known odor.
Luebke, William tgsc, (1989): Herbal citrus licorice petitgrain animal costus
IFF: Fresh, herbal, citrus note with bergamot, petit grain, zesty, aninisic facets and costus nuances
Unusual combination of herbal, citrus, licorice and petitgrain notes, modified by animal nuances of costus.
Taytonn ASCC: Anise/ anisic/ anis, citrus, herbal/ herbaceous, licorice, petitgrain