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    Molecular and Crystal Structure of 7,7-Dimethyl-2-pyridin-4-yl-6,7-dihydro-1,2,4-triazolo[1,5-a][1,3,5]triazin-5-amine [1] by Anton V. Dolzhenko, Geok Kheng Tan, Lip Lin Koh, Anna V. Dolzhenko, Wai Keung Chui

    Published 2011-08-01
    “…When crystallized from ethanol, 7,7-dimethyl-2-pyridin-4-yl-6,7-dihydro-1,2,4-triazolo[1,5-a][1,3,5]triazin-5-amine forms crystals which have monoclinic (P21/n) symmetry with unit cell dimensions a = 7.3326(5) Å, b = 19.4897(14) Å, c = 8.6586(6) Å, α = 90°, β = 106.069(2)°, γ = 90°, V = 1189.06(14) Å3, Z = 4. …”
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    Spring water anomalies before two consecutive earthquakes (<i>M</i><sub>w</sub> 7.7 and <i>M</i><sub>w</sub> 7.6) in Kahramanmaraş (Türkiye) on 6 February 2023 by S. İnan, H. Çetin, N. Yakupoğlu

    Published 2024-02-01
    “…Hydrogeochemical precursors have been detected in commercially bottled natural spring waters (Ayran Spring and Bahçepınar Spring), which are at a distance of about 100 and 175 km from the epicenters of the <span class="inline-formula"><i>M</i><sub>w</sub></span> 7.7 and <span class="inline-formula"><i>M</i><sub>w</sub></span> 7.6 Kahramanmaraş (Türkiye) earthquakes of 6 February 2023, respectively. …”
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    One-Pot Synthesis of 7, 7-Dimethyl-4-Phenyl-2-Thioxo-2,3,4,6,7, 8-Hexahydro-1H-Quinazoline-5-OnesUsing Zinc Ferrite Nanocatalyst and Its Bio Evaluation by Tentu Nageswara Rao, Nalla Krishnarao, Faheem Ahmed, Suliman Yousef Alomar, Fadwa Albalawi, Panagal Mani, Abdullah Aljaafari, Botsa Parvatamma, Nishat Arshi, Shalendra Kumar

    Published 2021-03-01
    “…A simple and highly efficient protocol for the synthesis of derivatives 7, 7-dimethyl-4-phenyl-2-thioxo-2, 3, 4, 6, 7, 8-hexahydro-1H-quinazoline-5-one from 5, 5-dimethyl cyclohexane-1, 3-dione (<b>4a</b>–<b>4h</b>) (dimedone) has been described. …”
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