3d image of tretinoin skeletal formula

tretinoin all-trans retinoic acid atra medication acne acute promyelocytic leukemia cream gel skin ointment photoaging retinoid therapy shortness breath high white blood cell counts clots birth defects generic postinflammatory hyperpigmentation biosynthesis beta-carotene epoxide retinol drug preparation mount treatment medicine medicament side effect adverse action iatrogenic overdose contraindications interaction pharmacology pharmacodynamics pharmacokinetics pharmacophore molecule molecular formula skeletal structural structure geometry 3d