Notoptol is a natural product of Notopterygium, Apiaceae. Notoptol can be used as a reference standard.

3-O-α-L-Rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl hederagenin28-O-β-D-xylopyranosyl-(1→6)-β-D-glucopyranosyl ester is a hederagenin-type saponin with antitumor and anti-inflammatory properties.

Oxyfluorfen, a herbicide of the nitrodiphenyl ether class, is used to control annual and perennial broad-leaved weeds and sedges in a variety of field crops.