英文别名
2-cyano-3-methoxy-7-<(benzoyloxy)methyl>-8,9-bis-(benzyloxy)-1,4-diaza-6-oxaspiro<4.4>nona-1,3-diene;(7R, 8R, 9R)-2-cyano-3-methoxy-8,9-dibenzoyloxy-7-benzoyloxymethylene-1,4-diaza-6-oxaspiro-<4,4>nona-1,3-diene;(7R, 8R, 9R)-3-cyano-2-methoxy-8,9-dibenzoyloxy-7-benzoyloxymethylene-1,4-diaza-6-oxaspiro-<4,4>nona-1,3-diene;(7R, 8R, 9R)-2-cyano-3-methoxy-8,9-dibenzoyloxy-7-benzoyloxymethylene-1,4-diaza-6-oxaspiro-[4,4]nona-1,3-diene