Tacrolimus
Interesting Facts about 1-[(1R,5R,6S,9S,12R)-9,12-dihydroxy-6,16-dimethyl-10,19-dioxa-16-azahexacyclo[12.5.3.15,9.01,14.02,11.06,11]tricosa-2,21-dien-22-yl]ethyl 2,4,5-trimethyl-1H-pyrrole-3-carboxylate
This compound is an intriguing example of a complex organic molecule that belongs to the family of alkaloids. Alkaloids are known for their diverse range of biological activities, making them a significant area of research in medicinal chemistry.