smiles zinc_id inchikey mwt logp reactive purchasable tranche_name features CCCC[Si](F)(CCCC)CCCC 195754369 STAGZMKHHNNCKQ-UHFFFAOYSA-N 218.432 5.302 70 40 BKIB CCCCCCCCCCCC[SiH](C)C 408721525 JCFNZIBTMUOXRK-UHFFFAOYSA-N 228.496 5.394 70 40 BKIB CCCCC[Si](Cl)(Cl)CCCCC 195784050 QCBOFFVPUUXQEA-UHFFFAOYSA-N 241.278 5.287 70 40 BKIB