(1S)-1-{3-[(2S,4R,9a′S)-1′-Hydroxy-2′,2′-dimethyl-3′,5-dioxo-1′,2′,3′,4,5,9a′-hexahydro-3H-spiro[furan-2,9′-imidazo[1,2-a]indol]-4-yl]-4-oxo-3,4-dihydro-2-quinazolinyl}ethyl acetate

(1S)-1-{3-[(2S,4R,9a′S)-1′-Hydroxy-2′,2′-dimethyl-3′,5-dioxo-1′,2′,3′,4,5,9a′-hexahydro-3H-spiro[furan-2,9′-imidazo[1,2-a]indol]-4-yl]-4-oxo-3,4-dihydro-2-quinazolinyl}ethyl acetate

Spiro[furan-2(5H),9′-[9H]imidazo[1,2-a]indole]-3′,5(2′H)-dione, 4-[2-[(1S)-1-(acetyloxy)ethyl]-4-oxo-3(4H)-quinazolinyl]-1′,3,4,9′a-tetrahydro-1′-hydroxy-2′,2′-dimethyl-, (2S,4R,9a′S)-

tryptoquialanine

Tryptoquialanine A