B 1665 (OTTO) 6-Benzyl adenine, 99%+ Cas 1214-39-7 - used to stimulate growth in apples, melons, oranges, roses, pears, sweet cherries and white pine trees. B 1665 (OTTO) 6-Benzyl adenine, 99%+ Cas 1214-39-7 - used to establish and screen the optimal rapid propagation technology of S. tonkinensis by orthogonal test.