![Furan Approach to Vitamin D Analogues. Synthesis of the A-Ring of Calcitriol and 1α-Hydroxy-3-deoxyvitamin D3 | The Journal of Organic Chemistry Furan Approach to Vitamin D Analogues. Synthesis of the A-Ring of Calcitriol and 1α-Hydroxy-3-deoxyvitamin D3 | The Journal of Organic Chemistry](https://pubs.acs.org/cms/10.1021/jo101155c/asset/images/large/jo-2010-01155c_0001.jpeg)
Furan Approach to Vitamin D Analogues. Synthesis of the A-Ring of Calcitriol and 1α-Hydroxy-3-deoxyvitamin D3 | The Journal of Organic Chemistry
![Vitamin D3 4000 IU - 400 Tablets - High Strength 100 mcg Vitamin D Tablets, Vegetarian, 13 Month Supply, Easy to Swallow Micro Tablets, Immune System, Bone and Muscle Function Support : Vitamin D3 4000 IU - 400 Tablets - High Strength 100 mcg Vitamin D Tablets, Vegetarian, 13 Month Supply, Easy to Swallow Micro Tablets, Immune System, Bone and Muscle Function Support :](https://m.media-amazon.com/images/I/71BcVfl5DkL._AC_UF350,350_QL50_.jpg)
Vitamin D3 4000 IU - 400 Tablets - High Strength 100 mcg Vitamin D Tablets, Vegetarian, 13 Month Supply, Easy to Swallow Micro Tablets, Immune System, Bone and Muscle Function Support :
![3 Overview of Vitamin D | Dietary Reference Intakes for Calcium and Vitamin D | The National Academies Press 3 Overview of Vitamin D | Dietary Reference Intakes for Calcium and Vitamin D | The National Academies Press](https://nap.nationalacademies.org/openbook/13050/xhtml/images/p2001d6eeg76001.jpg)