label: 3,20-bis(2-(acetoxy)ethyl)-4,19-dimethyl-1,2-dithia-5,18-diazacycloicosa-3,19-diene-5,18-dicarbaldehyde
label_lc: 3,20-bis(2-(acetoxy)ethyl)-4,19-dimethyl-1,2-dithia-5,18-diazacycloicosa-3,19-diene-5,18-dicarbaldehyde