zdcm-04 zdcm-04 zdcm-04 is a recreational designer drug with psychedelic effects. it is a phenethylamine derivative which is said to act as a prodrug for doc and theophylline in the same way in which fenethylline acts as a prodrug for amphetamine and theophylline. zdcm-04 was made illegal in italy in march 2020. zdcm-04legal statuslegal status illegal in italy identifiers iupac name 1,3-dimethyl-7-purine-2,6-dione pubchem cid163192621chemical and physical dataformulac20h26cln5o4molar mass435.91 g·mol−13d model (jsmol)interactive image smiles coc1cc(cc(c)nccn2cnc3c2c(=o)n(c)c(=o)n3c)c(oc)cc1cl inchi inchi=1s/c20h26cln5o4/c1-12(8-13-9-16(30-5)14(21)10-15(13)29-4)22-6-7-26-11-23-18-17(26)19(27)25(3)20(28)24(18)2/h9-12,22h,6-8h2,1-5h3key:cwrnnankxublfv-uhfffaoysa-n