Both of those 1B and 1P-LSD are medications with tiny additional chemical buildings extra to some nitrogen atom on their indole ring. 1B-LSD contains a N1-butyryl and 1P contains a one-propionyl group.Who're Khedira's best five midfielders of all time? VideoWho are Khedira's leading 5 midfielders of all time?LSD includes an indole ring — a common