Text this: NITROIMIDAZOLES IV [I]. SYNTHESIS OF 3,s-DICARBO ALKOXY-2,6-DIMETHYL-4-(1 -METHYL-5- NITRO-2-1MIDAZOLYL)-1,4-DIHYDROPYRIDIANNE D 3,5-DICARBOALKOXY- 2,6-DIMETHYL-4(-2 -S UBSTI - TUTED-4-THIAZOLYL)-l , 4- DIHYDROPYRIDINE