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I’ve two options of each 4-aco-met and 4-aco-dmt in propylene glycol which have turned darkish brown. The 4-aco-dmt was dissolved about 2 years in the past and the 4-aco-met about 6 months. They have been saved in a cupboard at about 70f the entire time. Does this imply they’re ruined? Does anybody have expertise with stability of those compounds in PG?
[4-aco-dmt(older and quite darker)](https://i.imgur.com/IghJJD5.jpg)