3d image of fulvestrant-3-boronic acid skeletal formula

fulvestrant-3-boronic acid zb716 synthetic steroidal antiestrogen estrogen receptor er metastatic breast cancer silent antagonist selective receptor degrader serd analogue fulvestrant boronic acid moiety pharmacodynamic injection first-pass metabolism active metabolite rendering hormone hormonal therapy replacement function action endocrine endocrinology level prohormone bioactive cell biochemistry biology biomolecule molecule molecular structural structure formula skeletal geometry ball stick side effect iatrogenic overdose contraindications interaction