Tacrolimus alpha-Lactone ;
[3R-[3R*(1R*,3R*,4R*),4E,6S*,7S*,10R*,11E,14S*,16S*,17R*,18S*,20R*,21R*,28aS*]]- 7,8,10,13,14,15,16,17,18,19,20,21,26,27,28,28a-Hexadecahydro-7,21-dihydroxy-3-(4-hydroxy-3-methoxycyclohexyl)-16,18-dimethoxy-4,6,12,14,20-pentamethyl-10-(2-propenyl)-17,21-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclopentacosine-1,9,22,23(6H,25H)-tetrone ;
CAS # 131944-48-4 ;
C44H69NO12 ;
Mol. Wt.: 804.02 ;