Synonyms: 2(5H)-Furanone,4-[(5a,16b,17aa)-17a-(acetyloxy)-4,4,8-trimethyl-D-homo-18-nor-17-oxaandrostan-16-yl]-;1H-Phenanthro[2,1-c]pyran, 2(5H)-furanone deriv.;D-Homo-18-nor-17-oxaandrostane, 2(5H)-furanone deriv.; 2(5H)-Furanone,4-[1-(acetyloxy)hexadecahydro-4b,7,7,10a-tetramethyl-1H-phenanthro[2,1-c]pyran-3-yl]-,[1S-(1a,3b,4aa,4bb,6aa,10ab,10ba,12ab)]-; Inorolide C