https://erowid.org/references/refs_view.php?ID=7697&S=crystal
Erowid.org: Erowid Reference 7697 : Triterpenes from the button cactus, Epithelantha micromeris :...
The Index page for the reference article: West LG, McLaughlin JL Triterpenes from the button cactus, Epithelantha micromeris Lloydia 1977 40(5):499-504
erowid orgfrom thebutton cactusreference7697
https://erowid.org/references/refs_view.php?ID=7697&S=isolation&SField=All
Erowid.org: Erowid Reference 7697 : Triterpenes from the button cactus, Epithelantha micromeris :...
The Index page for the reference article: West LG, McLaughlin JL Triterpenes from the button cactus, Epithelantha micromeris Lloydia 1977 40(5):499-504
erowid orgfrom thebutton cactusreference7697