Synthesis of 5-benzylidene-hydantoin and 5-benzylidene-creatinine derivatives under mixed catalyst systems of urea-p-toluenesulfonic acid (Urea-PTSA) and guanidine hydrochloride-tr... von Haq, Kautsar Ul, Dewi, Septi Rosiana, Cicilianingrum, Sherly Dwi, Anggraini, Amalia Muti, Dahana, Zella Dwipuspita, Sari, Indrianti Yunita, Renjanawati, Rina Dewi, Wardana, Januardi, Gunawan, Fandi, Muschafi, Nuzilatul, Rosyidah, Nisa’ur, Suwito, Hery

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