2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity
2-c-methyl-d-erythritol 4-phosphate cytidylyltransferase activity
4-diphosphocytidyl-2C-methyl-D-erythritol synthase activity
4-diphosphocytidyl-2c-methyl-d-erythritol synthase activity