2H-Pyran-3-carboxylic acid, 2-[8-[[10-(acetyloxy)-7-hydroxy-5,9-dimethyl-1-(1-methyl-3-oxo-1-butenyl)-6-oxo-6H-naphtho[2,1-d][1,3]dioxin-8-yl]amino]-2-hydroxy-1,3,7-trimethyl-8-oxo-4,6-octadienyl]tetrahydro-4,6-dihydroxy-5-methyl-, methyl ester 54955-14-5 NSC169627 STREPTOVAL C Streptovaricinal C