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system
Please write the molecular formula of the molecule (2S)-2-[(1R,4S,7aS)-4,7a-dimethyl-1,2,3,3a,4,5,6,7-octahydroinden-1-yl]propanal;[(4S,7aR)-1-ethenyl-7a-methyl-1,2,3,3a,4,5,6,7-octahydroinden-4-yl] acetate;[(4S,7aS)-1-ethyl-7a-methyl-3,3a,4,5,6,7-hexahydroinden-4-yl] acetate;[(1Z,4S,7aS)-1-ethylidene-7a-methyl-3,3a,4,5,6,7-hexahydro-2H-inden-4-yl] acetate;[(1E,4S,7aS)-1-ethylidene-7a-methyl-3,3a,4,5,6,7-hexahydro-2H-inden-4-yl] acetate .
user
C70H112O9
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