"(4S)-9-(Acetyloxy)-10-[(acetyloxy)Methyl]-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione"
"(4S)-9-(Acetyloxy)-10-[(acetyloxy)Methyl]-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione"