SO2-adduct of (3S)-tosylate-(20S)-hydroxymethyl-9,10-secoergosta-5,7(E),10(19),22(E)-triene;[(5S)-3-[(E)-[(1R,3aS,7aR)-1-[(2S)-1-hydroxypropan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]methyl]-2,2-dioxo-1,3,4,5,6,7-hexahydro-2-benzothiophen-5-yl] 4-methylbenzenesulfonate