... , the melting point of 42 °C. Nervous acid (Nervonic Acid), also known as Shark acid (Selacholeic Acid), chemical name cis -15-- twenty-four carbon ... , white flaky crystals, melting point 42-43 °C, Structure: CH 3 - (CH 2) 7-CH = CH-(CH 2) 11-COOH, boiling ... grow around the bud, dendrites, this time at least 3-4 months. 3, nerve acids promote the growth of new buds, gradually ...