What is PERIODIC EXPENSES? Expenses which take place on an irregular basis. Not recorded on a monthly basis. An example can be the payment of insurance premiums on a quarterly basis, maintenance costs of property, etc.
However, in some species, pheromone components with lower molecular weights are also found. Exam- ples of these are lps typographus, with 2-methyl-3- buten-2-ol (methylbutenol) (Bakke et al., 1977), L cembrae with 3-methyl-3-buten-l-ol (Stoakley et al., 1978), and Dendroctonus jeffreyi with 1- and 2-heptanol (Renwick and Pitman, 1979).
Superdrol (called methasteron, and methyldrostanolone) is the name of the most popular and the well-known product to contain the 2a,17a-dimethyl-5a-androst-3-one-17b-ol (methyldrostanolone) steroid.uperdrol is probably the most effective and widely used oral anabolic steroid of the last decade. It is basically masteron lacking the ester chain. As an oral steroid, it is equipped with a c-17aa modification allowing it to survive the first pass through the liver. Fig 1. Superdrol Chemical Structure.