A phenol with diverse biological activities; protects V79-4 Chinese hamster lung fibroblast cells from oxidative stress and inhibits lipid peroxidation by scavenging ROS; induces apoptosis in HT-29 human colon cancer cells; inhibits metastasis of BT549 and MDA-MB-231 human breast cancer cells; protects primary neurons from β-amyloid-induced dendritic spine loss; shortens the latency to find the platform in a Morris water maze test in an AD mouse model; used to stain histological plant sections and in the synthesis of numerous natural products; slows the frequency and decreases the amplitude of contraction in isolated rabbit and rat intestine at a concentration of 100 μM and 1 μM, respectively