Any specific substance guides requiring chemistry sections should be added to my to-do list below, and I shall get on with them as soon as possible! I also write up a lot of the neuroscience and pharmacology sections. Most of the complicated science that isn't directly related to the drug's subjective effects tends to be my department :)
I also wrote the Scientific Information section; if there's anything you feel needs to be added into it, shoot me any email, or add it to my to-do list.
Stay safe kids, watch out for dem fractals yo!
Get in touch via firstname.lastname@example.org