preechinulin + dimethylallyl diphosphate <=> tardioxopiperazine A + diphosphate
preechinulin + dimethylallyl diphosphate <=> tardioxopiperazine a + diphosphate
preechinulin + dimethylallyl diphosphate <=> tardioxopiperazine A + diphosphate
preechinulin + dimethylallyl diphosphate <=> tardioxopiperazine a + diphosphate