Synonyms: Kijanolide,22-carboxy-15,16-didehydro-22-de(hydroxymethyl)-4,6,14,18,23-pentademethyl-17-deoxy-4,23-diethyl-14,15-dihydro-20-methyl-9-O-[2,4,6-trideoxy-4-[[(3,5-dichloro-1H-pyrrol-2-yl)carbonyl]amino]-b-D-arabino-hexopyranosyl]-,(23S)-; 18H-16a,19-Metheno-16aH-benzo[b]naphth[2,1-j]oxacyclotetradecin,kijanolide deriv.; BMY 42448; Pyrrolosporin A