10H-oxireno[5,6][2]benzopyrano[4,3-c]quinolin-10-one, 11-[(acetyloxy)methyl]-6,6a,7,8,8a,9a,9b,11-octahydro-6,6,8a-trimethyl-, (6aS,8aR,9aS,9bS)- Acetic acid 2a,11,11-trimethyl-4-oxo-2,2a,3a,3b,11,11a-hexahydro-1H,4H-3,10-dioxa-5-aza-cyclopropa[c]chrysen-5-ylmethyl ester InChI=1/C22H25NO5/c1-12(24)26-11-23-15-8-6-5-7-13(15)18-17(20(23)25)16-14(21(2,3)27-18)9-10-22(4)19(16)28-22/h5-8,14,16,19H,9-11H2,1-4H3/t14-,16-,19-,22+/m0/s [(6aR,8aS,9aR,9bR)-6,6,8a-trimethyl-10-oxo-6a,7,8,8a,9a,9b-hexahydro-6H-oxireno[5,6]isochromeno[4,3-c]quinolin-11(10H)-yl]methyl rel-acetate trans-Erioaustralasine {rel}-1-Acetoxymethyl-4,8'-epoxy-3-(1'beta,2'beta-epoxy-3'beta,4'alpha-para-menthyl-3'-yl)quinolin-2-one