Natural (−)-botryodiplodin() has been synthesized from an antibiotic methylenomycin A (). The absolute configurations of (−)-botryodiplodin( and methylenomycin A () have also been established as shown in and respectively.
                                    天然(-)-botryodiplodin()是从抗生素甲基
新霉素A()合成的。的绝对构型( - ) - botryodiplodin(和甲霉素A( )也被如图建立和分别。