3-MMC has two methyl substitutions on its cathinone skeleton, one at R3 from the phenyl ring, and a next at the nitrogen team RN. three-MMC is analogous to mephedrone; it's similar in composition apart from The position on the methyl group at R4 in place of R3 Repeat offenders can http://bookmarkstime.com/story8065186/rumored-buzz-on-4-bmc-drug