CC[NH2+]CCS/C(=N\[O-])C(C)=O mol31604 0_1 CCNCCS/C(=N\O)C(C)=O mol31604 0_2 CCNCCS/C(=[NH+]\O)C(C)=O mol31604 1_1 CC[NH2+]CCS/C(=N\O)C(C)=O mol31604 1_2 CCNCCS/C(=N\O)C(C)=[OH+] mol31604 1_3