L-(+)-Abrine (L-N-Methyltryptophan) is a toxic protein found in the jequirity seed.,can be used as a biomarker for abrin exposure.

(S)-Indoximod (L-Abrine) exhibits inhibition of rabbit small intestine indoleamine 2, 3-dioxygenase, competitive inhibition of IDO, reduction of Foxp3 protein expression in tumor of C57BL/6 mouse allografted with mouse LLC cells at 200 mg/kg, induction of IDO1 protein expression in tumor of C57BL/6 mouse allografted with mouse LLC cells at 200 mg/kg, antitumor activity against mouse LLC cells allografted in C57BL/6 mouse, antiproliferative activity against mouse LLC cells at 50 uM.

4-Hydroxybenzoyl choline is a natural product for research related to life sciences. The catalog number is TN6602 and the CAS number is 5094-31-5.