Bottino, Francesco published the artcileMass spectral behavior of some m-dimethoxybenzene and sym-trimethoxybenzene sulfur derivatives, Quality Control of 77189-99-2, the publication is Organic Mass Spectrometry (1981), 16(7), 289-93, database is CAplus.
Mass spectra were recorded for the title compounds I (R = H, OMe; R1 = H, Cl), II (n = 1, 2; R = H, OMe; R1 = H, Cl) and II (n = 3; R = H, R1 = Cl; R = OMe, R1 = H, Cl), and the main fragmentation paths elucidated. The primary skeletal rearrangement of the mol. ions occurring in S-bridged compounds is a sensitive diagnostic tool in both structure elucidation and in locating OMe substituents.
Organic Mass Spectrometry published new progress about 77189-99-2. 77189-99-2 belongs to catalysis-chemistry, auxiliary class Thiophenol,Benzene,Ether, name is 2,4,6-Trimethoxybenzenethiol, and the molecular formula is C9H12O3S, Quality Control of 77189-99-2.
Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia