3d image of digitoxigenin skeletal formula

digitoxigenin cardenolide aglycone digitoxin actodigin steroid deoxycholic acid thevetigenin evonogenin echujetin cerberigenin lactone plant glycoside toxic heart-arresting 3d bioactive cell biochemistry biology biomolecule atom molecule molecular structural structure formula skeletal geometry ball stick steroidal endogenous synthetic semisynthetic chemistry chemical science scientific agent stuff group precursor synthesis reaction production building block