Browsing h t t p : / / herbalistics . com . au/shop/catalog/product_info.php?products_id=491 I have learned about Yellow Horned Poppy, and it's active ingredient Glaucine. There are interesting trip reports on, e.g. erowid:

h t t p : / / www . erowid . org/experiences/exp.php?ID=79784

Has anyone had any experience with this and are aware of any products containing this?