endothelin receptor antagonist; from Streptomyces sp. No. 89009; structure given in first source
Also Known As:
WS-009A; WS009A; L-Cysteine, N-acetyl-S-(4,4a,5,6,7,12,12a,12b-octahydro-4a,8,12a,12b-tetrahydroxy-3-methyl-1,7,12-trioxobenz(a)anthracen-6a(1H)-yl)-