A (hockey field) can be synthetic.Logical formLearned from2 sentences. Shells can be synthetic.Logical formLearned from2 sentences. A tryptamine can be synthetic.Logical formLearned from2 sentences. A (polymer science) can be synthetic.Logical formLearned from2 sentences. A synthetic equivalent can be for a synthon.Logical formLearned from2 sentences. Synthetic equivalents may correspond to synthons.Logical formLearned from2 sentences. A (building block) can be synthetic.Logical formLearned from2 sentences. Forms can be constituted-of-or-filled-with synthetic rubber.Logical formLearned from2 sentences. An anion can be a synthetic equivalent.Logical formLearned from2 sentences. A synthetic equivalent can be for a (benzyl synthon).Logical formLearned from2 sentences. (Benzyl bromide) can be a synthetic equivalent.Logical formLearned from2 sentences. (Fragrance oils) can be synthetic.Logical formLearned from2 sentences. Maois can be synthetic.Logical formLearned from2 sentences. Synthetic diamond may contain nitrogen.Logical formLearned from2 sentences. Some varieties can be constituted-of-or-filled-with synthetic rubber.Logical formLearned from2 sentences.