316
OH
OH
OH
O
O
O
O
O
O
HO
HO
HO
O
O
O
O
-
O
O
O
O
OH
OH
O
O
HO
OH
OH
OH
O
O
O
O
O
N
N
N
+
HN
NH
NH
N
N
S
S
H
O
O
O
O
OH
CH3
CH3
CH3
CH3
CH3
H
H
H
H
H
H
H
CH3
CH3
CH3
CH3
CH3
CH3
CH3
CH3
CH3
H3C
H3C
H3C ·
H3C
H3C
H3C
CH3
CH3
CH3
CH3
H3C
CORALLOPYRONIN A
RIPOSTATIN B
AURACHIN A
ALTHIOMYCIN
CAROLACTON
MYXOVIRESCIN A
a
b
c
d
e
f
Fig. 12.8 Some antimicrobials produced by Myxobacteria
D. Francis