(5Z)-4-Methoxy-3-methyl-5-[(1R,9S,10R,11R,12S)-12-methyl-14,15-dioxa-5-azatetracyclo[7.5.1.0~1,11~.0~5,10~]pentadec-13-ylidene]-2(5H)-furanone

(5Z)-4-Methoxy-3-methyl-5-[(1R,9S,10R,11R,12S)-12-methyl-14,15-dioxa-5-azatetracyclo[7.5.1.0~1,11~.0~5,10~]pentadec-13-yliden]-2(5H)-furanon

(5Z)-4-Methoxy-3-methyl-5-[(1R,9S,10R,11R,12S)-12-methyl-14,15-dioxa-5-azatetracyclo[7.5.1.0~1,11~.0~5,10~]pentadec-13-ylidene]-2(5H)-furanone

(5Z)-4-Méthoxy-3-méthyl-5-[(1R,9S,10R,11R,12S)-12-méthyl-14,15-dioxa-5-azatétracyclo[7.5.1.0~1,11~.0~5,10~]pentadéc-13-ylidène]-2(5H)-furanone

2(5H)-Furanone, 4-methoxy-3-methyl-5-[(1S,3aR,11S,11aR,11bR)-octahydro-1-methyl-4H-3a,11-epoxyfuro[3,2-c]pyrido[1,2-a]azepin-2(1H)-ylidene]-, (5Z)-

(5Z)-4-methoxy-3-methyl-5-[(1S,3aR,11S,11aR,11bR)-1-methyloctahydro-4H-3a,11-epoxyfuro[3,2-c]pyrido[1,2-a]azepin-2(1H)-ylidene]furan-2(5H)-one

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