Chemical Name : (1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1-hydroxy-18-(2-hydroxyethoxy)-12-[(2R)-1-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[30.3.1.04,9]hexatriaconta-16,24,26,28-tetraene-2,3,10,14,20-pentone (18-O-hydroxyethyl sirolimus)

Smiles : O=C(O[C@@]([C@@](C)([H])C[C@]1([H])CC[C@](O)([H])[C@@](OC)([H])C1)([H])CC([C@@](C)([H])/C=C(C)/[C@@]([H])(OCCO)[C@]2(OC)[H])=O)[C@@]3([H])N(C(C([C@@]4(O)[C@@](C)([H])CC[C@](C[C@]([H])(OC)/C(C)=C/C=C/C=C/[C@@]([H])(C)C[C@@]([H])(C)C2=O)([H])O4)=O)=O)CCCC3

Synonym : Naratriptan USP related Compound 3