(1S,2S,3S,11R,14S)-2-Hydroxy-3-[(1S,2S,3R,11R,14S)-2-hydroxy-14-(hydroxymethyl)-18-methyl-13,17-dioxo-15,16-dithia-10,12,18-triazapentacyclo[12.2.2.0~1,12~.0~3,11~.0~4,9~]octadeca-4,6,8-trien-3-yl]-14 -(hydroxymethyl)-19-methyl-15,16,17-trithia-10,12,19-triazapentacyclo[12.3.2.0~1,12~.0~3,11~.0~4,9~]nonadeca-4,6,8-triene-13,18-dione

(1S,2S,3S,11R,14S)-2-Hydroxy-3-[(1S,2S,3R,11R,14S)-2-hydroxy-14-(hydroxymethyl)-18-methyl-13,17-dioxo-15,16-dithia-10,12,18-triazapentacyclo[12.2.2.0~1,12~.0~3,11~.0~4,9~]octadeca-4,6,8-trien-3-yl]-14 -(hydroxymethyl)-19-methyl-15,16,17-trithia-10,12,19-triazapentacyclo[12.3.2.0~1,12~.0~3,11~.0~4,9~]nonadeca-4,6,8-trien-13,18-dion

(1S,2S,3S,11R,14S)-2-Hydroxy-3-[(1S,2S,3R,11R,14S)-2-hydroxy-14-(hydroxymethyl)-18-methyl-13,17-dioxo-15,16-dithia-10,12,18-triazapentacyclo[12.2.2.0~1,12~.0~3,11~.0~4,9~]octadeca-4,6,8-trien-3-yl]-14 -(hydroxymethyl)-19-methyl-15,16,17-trithia-10,12,19-triazapentacyclo[12.3.2.0~1,12~.0~3,11~.0~4,9~]nonadeca-4,6,8-triene-13,18-dione

(1S,2S,3S,11R,14S)-2-Hydroxy-3-[(1S,2S,3R,11R,14S)-2-hydroxy-14-(hydroxyméthyl)-18-méthyl-13,17-dioxo-15,16-dithia-10,12,18-triazapentacyclo[12.2.2.0~1,12~.0~3,11~.0~4,9~]octadéca-4,6,8-trién-3-yl]-14 -(hydroxyméthyl)-19-méthyl-15,16,17-trithia-10,12,19-triazapentacyclo[12.3.2.0~1,12~.0~3,11~.0~4,9~]nonadéca-4,6,8-triène-13,18-dione

4,12a-(Iminomethano)-12aH-[1,2,3,5]trithiazepino[5′,4′:1,5]pyrrolo[2,3-b]indole-5,13(4H)-dione, 6a,7,11b,12-tetrahydro-12-hydroxy-4-(hydroxymethyl)-14-methyl-11b-[(3S,5aR,10bR,11S,11aS)-3,4,5a,6-tetra hydro-11-hydroxy-3-(hydroxymethyl)-13-methyl-4,12-dioxo-3,11a-(iminomethano)-11aH-[1,2,4]dithiazino[4′,3′:1,5]pyrrolo[2,3-b]indol-10b(11H)-yl]-, (4S,6aR,11bS,12S,12aS)-

CHETRACIN B