NC55312
Carbamic acid, [6-[[(2E)-3-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-(3-carboxy-1-oxopropyl)-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1-oxo-2-propenyl]amino]hexyl]-, 1-[1-(6-methoxy-2-naphthalenyl)ethyl] ester