(1′R,2S,3′S,4′S,5R,7′R,10′R)-3′-Hydroxy-10′-(hydroxymethyl)-4,4,5,16′-tetramethyl-3,9′,15′-trioxodihydro-3H-spiro[furan-2,5′-[11,12,13,14]tetrathia[8,16]diazatetracyclo[8.4.2.0~1,8~.0~3,7~]hexadecan]- 4′-yl acetate

(1′R,2S,3′S,4′S,5R,7′R,10′R)-3′-Hydroxy-10′-(hydroxymethyl)-4,4,5,16′-tetramethyl-3,9′,15′-trioxodihydro-3H-spiro[furan-2,5′-[11,12,13,14]tetrathia[8,16]diazatetracyclo[8.4.2.0~1,8~.0~3,7~]hexadecan]- 4′-yl acetate

(5R,5′R,7aR,9S,10S,10aS,11aR)-10a-hydroxy-5-(hydroxymethyl)-4′,4′,5′,13-tetramethyl-3′,6,12-trioxooctahydro-3′H,10H-spiro[5,11a-(epiminomethano)cyclopenta[4,5]pyrrolo[2,1-e][1,2,3,4,6]tetrathiazocine-9,2′-furan]-10-yl acetate

sirodesmin K