Retrorsine N-oxide; (5R,6S,9a1R,14aR,Z)-3-ethylidene-6-hydroxy-6-(hydroxymethyl)-5-methyl-3,4,5,6,9,9a1,11,13,14,14a-decahydro-[1,6]dioxacyclododecino[2,3,4-gh]pyrrolizine-2,7-dione; CAS No.: 15503-86-3; ChemShuttle s portfolio includes pharma building blocks such as (5R,6S,9a1R,14aR,Z)-3-ethylidene-6-hydroxy-6-(hydroxymethyl)-5-methyl-3,4,5,6,9,9a1,11,13,14,14a-decahydro-[1,6]dioxacyclododecino[2,3,4-gh]pyrrolizine-2,7-dione, supporting complex molecular synthesis.