LY 195448 (4-(3-(2-Hydroxy-2-phenyl)ethylamino-3-methylbutyl)benzamide) is a substance present in human blood and urine that shows antitumor activity in a mouse tumor model and blocks cells in the mid-stage.

Neuropeptide Y (human) free acid is the deamidated form of Neuropeptide Y (human, rat, mouse). The amidation of Neuropeptide Y C-terminal tyrosine is critical for its function. Non-amidated Neuropeptide Y fails to elicit G protein signaling.

6-氨基荧光素（6-AF）是一种新型荧光标记物。