BTH isn't one of the numbers it's something else. #1 is Morphine Freebase/HCl #2 is Heroin Acetate/Freebase. 3# is Similar to #4 yet altered to the point of manufacturing to make it conductive for smoking. The /technical/ definition is a 60:40 mix, 60 being Heroin HCl and 40 being Caffeine HCl. #4 Heroin HCl, which is a white or grey-ish substance that is easily dissolved and injected. BTH is In a sense does not fall under the above number, as it uses a completely different method from Opium to Heroin. Contains 6-MAM and 3-MAM (which binds relatively weak to the μ-Opioid receptors).
OT:
1600mg's of Gabapentin
60mg's of Morphine
100mg's of Heroin
60mg's of Oxycodone.
50mg's of Doxylamine.
30mg Tempazepam
Bit of Gin.