Chemical correlation of a degradation product of isoherqueinone with S-(–)-ethyl lactate has established that herqueinone and isoherqueinone have the R- and S-configuration respectively at the asymmetric centre in the side-chain; it follows that atrovenetin possesses the R-configuration.
异Herqueinone与
乳酸S -(-)-
乙酯的降解产物的
化学相关性已确定,herqueinone和isoherqueinone在侧链的不对称中心分别具有R-和S-构型。因此,阿托维汀具有R-构型。