(18′E,20′E)-12′-Hydroxy-5′,13′,25′-trimethyl-11′H,17′H,22′H-spiro[oxirane-2,26′-[2,10,16,23]tetraoxatetracyclo[22.2.1.0~3,8~.0~8,25~]heptacosa[4,18,20]triene]-11′,17′,22′-trione

(18′E,20′E)-12′-Hydroxy-5′,13′,25′-trimethyl-11′H,17′H,22′H-spiro[oxirane-2,26′-[2,10,16,23]tetraoxatetracyclo[22.2.1.0~3,8~.0~8,25~]heptacosa[4,18,20]triene]-11′,17′,22′-trione

379Y

Antibiotic 379Y

MUCONOMYCIN A

NSC 126,728

Spiro(16,18-methano-1H,3H,23H-(1,6,12)trioxacyclooctadecino(3,4-d)(1)benzopyran-17(18H),2′-oxirane)-3,9,14-trione, 4,5,6,7,16,16a,19a,22-octahydro-4-hydroxy-5,16a,21-trimethyl-, stereoisomer

VER A

VERRUCARIN A

Verrucarin A (8CI)

Verrucarin- A from Myrothecium sp.