Kazy this is a review thread, please dont post a wall of questions on here. I sell sass sources sometimes but I dont want to bomb them with new customers yield can be 50-80% depending on your attention to detail You will find some of this info in assorted places online if you already have a good deal of chemistry knowledge Yes this information is really idiot proof aspirin is an acetylated compound, they are considered harmless the figures are astounding because it turns it into a compound very active around 10mg, turning morphine into that leaves you with an awesome profit margin. anhydrides will cost pennies per drop to make you can not acetylate mdma, it needs a carboxylic acid group or similar the legal opiate does not show up on tests, not all molecules which interact with a receptor are that closely similar to other molecules which interact with that receptor. please no more questions in here