Picolinamide is found to be a strong inhibitor of poly (ADP-ribose) synthetase of nuclei from rat pancreatic islet cells.

Baihuaqianhuoside (Praeroside) is a coumarin glycoside. Baihuaqianhuoside can be isolated from the roots of Passiflora and Hindenia solanacea and was first isolated from P. japonicum.

Amprolium? is a coccidiostat used in poultry, is a thiamine analogue and blocks the thiamine transporter of Eimeria species by blocking thiamine uptake it prevents carbohydrate synthesis.