RESIDUE 27E 21 CONECT OAU 1 CAA CONECT CAA 3 OAU CAB CAE CONECT CAB 4 CAA CLT CAC CAG CONECT CLT 1 CAB CONECT CAC 4 CAB CLS CAH CAD CONECT CLS 1 CAC CONECT CAH 4 CAC CLN CAG CAI CONECT CLN 1 CAH CONECT CAG 4 CAB CAH CLO CAF CONECT CLO 1 CAG CONECT CAF 4 CAG CLP CAE CAJ CONECT CLP 1 CAF CONECT CAE 4 CAA CAF CLQ CAD CONECT CLQ 1 CAE CONECT CAD 4 CAC CAE CLR CAJ CONECT CLR 1 CAD CONECT CAJ 4 CAF CAD CLK CAI CONECT CLK 1 CAJ CONECT CAI 4 CAH CAJ CLM CLL CONECT CLM 1 CAI CONECT CLL 1 CAI END HET 27E 21 HETSYN 27E (1R,3aR,5bS,6S)-1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctah HETSYN 2 27E ydro-2H-1,3,4-(methanetriyl)cyclobuta[cd]pentalen-2-one HETNAM 27E chlordecone FORMUL 27E C10 Cl10 O1