ɪn kˈɑːntɹæst tə lˈɑːɹdʒɚ kɹˈaʊn ˈiːθɚz twˈɛlvkɹˈaʊn fˈoːɹ, ænd ˈeɪtiːŋkɹˈaʊn sˈɪks, nˈaɪŋkɹˈaʊn θɹˈiː hɐz ᵻlˈɪsᵻɾᵻd vˈɛɹi lˈɪɾəl ˈɪntɹɛst, ɛksˈɛpt fɹʌm θˈiəɹɪsts.
In contrast to larger crown ethers (12-crown-4, and 18-crown-6), 9-crown-3 has elicited very little interest, except from theorists.