. . . . . . "Structural isomerism" . "The phenomenon whereby certain chemical compounds have structures that are different although the compounds possess the same elemental composition." . . . . "Christos Vasileiou" . "2026-01-08T13:11:58.385Z"^^ . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "Di3rprHNlf4cTkeMshR2q89lsyvpJcAmiFwiTGoJH3BHKjXEehXWOPZcYAN/jXjFdrab6rokfH3KyvXeaDcPKvrzzGd589QfM+fv6sIOKgUevXRBGiQ7GN99cZ70LzazOmlnAypKpjGSW+6cOdUefL+gL0W7rcvEmU3h668aioYALfHQ/Xtf4cDzz5phBDeZfpPcYVRnKZJ2Xapl2Q+Nhx76OghYGhykYyk6P5DPfANm/cZt63pt/7+g2LI72k8g37d6Omabs6V5KwN7u5VVy2VeRI0Olo+2FMnsaU7CkI6mnyPs0cmVYU1A1tm8oRt3jVLmlMSBfb9Ul1pal8xrhg==" . . .