has role has parent hydride antifibrotic agent stilbene stilbenoid antipsychotic agent analgesic antineoplastic agent antihypertensive agent EC 2.7.11.13 (protein kinase C) inhibitor tamoxifen CHEBI:41774 angiogenesis inhibitor bone density conservation agent estrogen receptor modulator estrogen receptor antagonist estrogen antagonist tertiary amino compound EC 1.2.3.1 (aldehyde oxidase) inhibitor anti-HIV agent