3d image of ecdysone skeletal formula

ecdysone prohormone insect molting hormone 20-hydroxyecdysone prothoracic glands steroidal steroid hormonal function action level insect molting ecdysteroid arthropods drosophila larva chromosome polytene gene transitions neural stem cells plant protection agent antifeedant herbivorous phytoecdysteroid adaptogenic cordyceps cytotoxic antioxidant lipid peroxidation ptth metamorphosis developmental biology ecdysis moulting ecdysozoa exoskeleton exuviae apolysis molecule molecular formula skeletal structural 3d